Reward and punishment in Transactional Leadership

Reward and punishment in Transactional LeadershipTransactional drawing cardship is the reward and punishment survey social ecesiss. It is also the fundamental motivators of human behavior . It foc implements on much of the personal side of the organisational the interactions, as well as vision, teamwork, values, development this things be the foundation of leadership. That help make up stochastic variableer(a) sprints of leadership. Transactional leadership was first described by Max Weber in 1947 and also by Bernard inscrutable in 1981. Transactional leadership theory developed by Weber and Bass later became part of a three musical mode model . Bass believed each leader exhibited a style along a continuum and he later developed the Multifactor Leadership. The transactional leadership style developed by Bass is based on the hypothesis that followers are motivated through a system of rewards and punishment. The theory behind transformational leaders on the other hand is bas ed on the hypothesis that leaders can exploit a need of the follower. These special(a) needs are not based on quid pro quo transactions, scarce higher order needs. These needs are those of the total person and are closely aligned with the intimate motivational factors of the follower.So at one end of the spectrum we impart transactional leaders that are making some deals with those being led. On the other end of the spectrum weve got transformational leader that are looking to satisfy a great need of an individual. The types of transactional leaders described by theorists include categories such as Opinion Leaders, Group Leaders, governmental / Party Leaders, Legislative Leaders and Executive Leaders.If you think about these categories, you should lose a greater postponement for what makes the transactional leadership style tick. These are leaders we read about in the press completely the time. They are constantly meeting new nation, making deals ( complemental transaction s) and moving on. In practice, there is sufficient truth in Behaviorism to sustain Transactional approaches. This is reinforced by the supply-and-demand situation of much employment, coupled with the effects of deeper needs, as in Maslows Hierarchy of Needs. When the demand for a skill outstrips the supply, then Transactional Leadership often is insufficient, and other approaches are more(prenominal) effective. When rewarding a assistant, a transactional leader must create a clear structure of what is infallible of said thespian when following orders. Alongside rewards, there should be a well lowstood lump system of curb in place, although not al right smarts talked about. Often the transactional leader go away work under the chance that if something isnt broke, dont fix it. In other words, if a principle is operating to foresights, it doesnt warrant notice. Along with this is the expectation that anything above expectations merits praise and rewarding, and anything below e xpectations needs corrective action..The type of leadership that is mostly found in the hospitality industry is transactional leadership, where as the manager is try to motivate the employees to be productive. When rewarding a subordinate (employee), a transactional leader must create a clear structure of what is required of said worker when following orders. Alongside rewards, there should be a well understood formal system of discipline in place, although not always talked about.The archeozoic stage of Transactional Leadership is in negotiating the contract whereby the subordinate (employee) is stipulation a wage and other benefits by participation. Burns studied Weber and reasoned that transactional leadership were akin bureaucrats leadership. It is a since of exponent and control direct orders. Transactional leadership makes clear that what is required and expected from their subordinates. It also mentions that subordinates will get award if they follow the orders seriously . Sometimes punishments are not mentioned but they are understood. In the early stages of transactional leadership, subordinate is in the process of negotiating the contract. The contract specifies fixed salary and the benefits that will be tryn to the subordinate. Rewards are given to subordinates for applied effort. Some organization use incentives to encourage their subordinates for greater productivity. Transactional leadership is a way of increasing the performance of its subordinates by giving them rewards. Transactional leadership is also called as true leadership style as it focuses on short term goals instead of long term goals. Transactional leadership has more of a telling style. Transactional leadership is based on the fact that reward or punishment is dependent on the performance. Even though researchers have highlighted its limitations, transactional leadership is still used by umteen employers. More and more companies are adopting transactional leadership to increas e the performance of its employees. This approach is prevalent in real workplace. In Transactional leadership, when the leader assigns work to its subordinates, then it is the responsibility of the subordinate to see that the appoint task is finished on time. If the assigned task is not completed on time or if something then punishment is given for their failure. nevertheless if they accomplish the task in time then the subordinates are given reward for successfully completing the task. Subordinates are also given award and praised for exceeding expectations. A subordinate whose performance is below expectation is penalise and some action is taken to increase his or her performance.The main limitation of this leadership is that it assumes that people are largely motivated by simple rewards. Under transactional leadership, employees cant do much to repair job satisfaction. Transaction leadership has been ineffective in providing skilled employees to their organization. This style of leadership is least provoke in changing the work environment.This leadership also assumes that when people agree to do a particular assignment, a part of that agreement is that they give up all authority to their boss. The leader holds control and power over the subordinates. The main goal of the employee is to obey the orders of their managers. The idea is that when a subordinate takes up a job, he or she agrees to obey their manager totally. The transaction is the money or any other award that the company pays to its subordinates for their compliance and effort. The relationship between the subordinate and the leader becomes transactional. In transactional leadership the leader has the right to punish his or her subordinates if their performance is not according to the predetermined standard.Leadership in organizations is important in determine workers perceptions, responses to organizational change, and acceptance of innovations, such as evidence-based practices. Transforma tional leadership inspires and motivates followers, whereas transactional leadership is based more on documentation and exchanges. When the Transactional Leader allocates work to a subordinate, they are considered to be fully responsible for it, whether or not they have the resources or capability to carry it out. When things go wrong, then the subordinate is considered to be personally at fault, and is punished for their failure just as they are rewarded for succeeding.As a starting point, let us retread our everyday life. In general, a relationship between two people is based on the take of exchange they have. Exchange need not be money or material it can be anything. The more exchange they have the more stronger the relation. Your manager expects more productivity from you in order to give good rewards. In this way, if something is done to anyone based on the re curve then that relation is called as Transactional type. In politics, leaders announces benefits in their agenda in exchange to the vote from the citizens. In business, leaders announces rewards in turn to the productivity. These relation is all about requirements, conditions and rewards (or punishment). Leaders who show these kind of relationship are called transactional leadership.Within all of these theories, frameworks, and approaches to leadership, theres an underlying message that leaders need to have a variety of factors working in their favor. in effect(p) leadership is not simply based on a set of attributes, behaviors, or influences. You must have a wide range of abilities and approaches that you can draw upon.How leaders behave impacts on their effectiveness. Researchers have realized, though, that many of these leadership behaviors are appropriate at different times. So, the best leaders are those who can use many different behavioral styles and use the right style for each situation. With this in mind, there are many different frameworks that have shaped our current understanding o f leadership, and many of these have their place, just as long as theyre used appropriately.Transactional leadership was thought of by Max Weber. Weber was born in 1864 and died 1920. Weber was a bureaucracy and usually described as having believed that bureaucracy is the most efficient form of an organization . So, whether you manage a team at work, captain a sports team, or lead a major corporation, which approach is best? Consciously, or subconsciously, youll probably use some of the leadership styles in this name at some point. Understanding these styles and their impact can help you develop your own, personal leadership style and help you become a more effective leaderThe Leader subject to strict and domineering discipline and control in the conduct of the obligation. Claims to obedient based on rational values and rules and constituted agreement. The office holder restricted to impersonal official obligations and commands. Exercise authority. Each office holder office def ined by Sphere of competence Person does not owe Obedience to the individual, but to the neutral order Rules regulate the conduct of an office Complete separation of property belonging to the personal and to the organization The leader subject to strict and systematic discipline and controlling the conduct office.

Transport across a membrane

Transport bedevilwise a membraneTransport a cut through a membrane occurs by one of two opposite means, actively or passively. Active transport requires the cubicle to expend cellular energy in the form of ATP, in order to employ protein pumps or engage in the activity of endo / exocytosis. Passive transport so occurs with no energy expenditure by the cell, where hints exit or enter the cell using ki sack upic energy, or protein channels. To this effect passive transport encompasses, osmosis, diffusion of a solute across a membrane, facilitated diffusion and transport of an ion down an electrochemical incline. The reasoning for this is outlined below.Intrinsic homeostasis at a cellular and molecular level is achieved when the cell is in an isotonic environment where the internal solute tightness of a cell is in equilibrium with the external, extra cellular environment, solute minginess and there is no net gesture of water in any direction. A change in ducking of solute, in itiates transport across the membrane in order to achieve equilibrium once again. The cell membrane is a building designed in such a way to allow passage of molecules and ions in and out of the cell, to and from the extracellular fluid, whilst keeping essential components such as organelles and ribosomes within its boundary. It is comprised of a phospho lipid bi-layer, in which are engraft a variety of carrier and channel proteins. The lipid bi-layer acts as a barrier to molecules in both(prenominal) directions and the proteins allow entrance and exit of select molecules. (www.faculty.weber.edu/jclark1/mem%20 Permeability. PDF 25.11.09) Some chemicals will traverse the membrane, such as water, carbon dioxide, oxygen, small polar molecules and lipids and others such as ions, amino acids, large polar and macromolecules will not and the membrane is effectively selectively permeable. (www.staff.jccc.net/PDECELL/cells/transport.html 25.11.09) The around basic category of passive tran sport is that of diffusion of a solute across a membrane. Molecules that move across the membrane in this manner are more oil-soluble in oil than in water and hence effortlessly dissolve in and spontaneously cross the non polar lipid core of the membrane bi layer Examples of these molecules are steroid hormones, Oxygen and coke Dioxide (www. Biologyreference.com/Ma-MO/membrane-Transport.html 26.11.09) during the process of diffusion, molecules move from an champaign of high tightfistedness to an area of low concentration down the concentration gradient in order to achieve equilibrium. This is achieved by kinetic energy of the molecules which are in Brownian motion. An increment in temperature causes the regularise of diffusion to increase causing equilibrium to be achieved more quickly as kinetic energy increases. Size and type of molecule also has a bearing on the rate as the smaller the molecule the faster it will diffuse. Osmosis is purely the diffusion of water molecules a cross a partially permeable membrane from a region of higher water probable to an area of dismount water potential(www.biologymad.com/resources-getting in and out of cells 25.11.09) In an isotonic surrounding there is no net movement of water molecules in either direction as there is no concentration gradient, however in a hypertonic solution where the concentration of solutes is higher and hence the water potential is more minus than the cell, water molecules from within the cell will move down the water potential gradient to the extracellular fluid in order to achieve equilibrium. This can be destinen in laboratory conditions by placing wild blood cells in a hypertonic solution and observing them. Over time the cells will rough as the water molecules exit the cell. Similarly if cells are in a hypotonic solution where the concentration of solutes is lower, the water potential is higher and hence the cells now have a more negative water potential and water will be taken into t he cell by osmosis down the water potential gradient. Red blood cells left in a hypotonic solution and observed will show nothing under the microscope over time, as the cells eventually undergo cytolysis. (www.biologymad.com/resources-getting in and out of cells 25.11.09).Unfortunately most molecules cannot cross the membrane by straightforward diffusion alone as they are either overly large, insoluble in lipid or they carry a charge which is repelled by the surface of the membrane. They therefore undergo facilitated diffusion, a mechanism by which passive transport still occurs without energy expenditure of the cell, and where the molecules are assisted across by groups of proteins inherent to the membrane. Facilitated diffusion still occurs down the concentration gradient but is specific to the molecule being facilitated. A carrier protein is specific to a particular molecule or class of molecules,(www.users.rcn.com/jkimball.ma.ulyranet/biologypages/d/diffusion.htmlfacilitated 2 6.11.09) where the molecule binds to the protein which in turn changes shape to enable the molecule to cross the membrane. An example of this being the transport of glucose into the cell. Once inside the cell glucose phosphate is manufactured for which there is no carrier protein and hence glucose cannot pass back out of the cell. In this case equilibrium will neer be reached. . (www.biologymad.com/resources-getting in and out of cells 25.11.09). In the case of transport of an ion down the electrochemical gradient, Ions transit from an area of high concentration to an area of low concentration again through facilitated diffusion with the aid of inbuilt proteins called ion channels. Without these channels charged molecules such as K+ Na+ would be repelled by the charge on the membrane. Transmembrane channels that allow facilitated diffusion, can be permanently open, or can be finisd and loose as in neurones, and as such are known as gated, they open or close in reaction to a liga nd, a signalling molecule which can be either extracellular or intracellular. It is the gated mechanism that allows a nerve impulse to pass along a neurone.Sometimes however it is infallible for cells to transport molecules against the gradient by the use of carrier proteins, known as protein pumps. They are akin to those of facilitated diffusion, draw out they are working against the gradient and therefore energy in the form of ATP is expended by the cell in the doing so. This process is known as Active Transport.In all the cases outlined above the object of passive transport has been to transport molecules across the semi permeable membrane down a concentration gradient, without expenditure of energy to the cell, and, passive transport can be demonstrated by diffusion of a solute, osmosis, facilitated diffusion and transport of an ion down an electrochemical gradient.

Strategies to Avoid Harm as a Psychologist

Strategies to vacate Harm as a PsychologistSteps to Avoid HarmTiffany StewartThroughout this paper, there will be two theoretic topographic points that will be discussed on how a psychologist shadower avoid scathe. There be seven steps that will be used to try and avoid as much psychic trauma as possible when doing with patients.The first hypothetical emplacement, Larry lost his feet to frostbite during a winter on the streets. He is refusing prosthetics because he is convinced that he will soon have his feet restored because he has the power to commence them back very slowly. The doctor has asked your help in getting this client to accept prosthetics. The mo hypothetical situation is you ar hired as an industrial/organizational psychologist to a new company with expressage startup funds. The company wants you to handle all the employment testing for pre-screening potential employees. The test it wants you to use is apologise and has good face validity, except there is no documented evidence the test results can be validly applied to the demands of the job.The first step is to clarify course requirements and establishing a timely and specific action for providing feedback to students ( fisher cat, 2013, p. 97). In the first situation, it is important that the psychologist intercommunicates Larry or so prosthetics. He or she can also answer questions that Larry powerfulness have before the any decisions are made. In the second situation the psychologist should talk to the company about(predicate) how the employment testing cannot be validly applied to the demands of the job. This will allow the company to ask questions about what would be a good test to use.The second step is selecting and using valid and reliable estimate techniques appropriate to the nature of the problem and characteristics of the testee to avoid misdiagnosis and inappropriate services (Fisher, 2013, p. 97). The doctor believes that Larry should get prosthetics, but this is one opinion that mightiness be biased. The psychologist should work with Larry to see if this treatment will benefit him. This is why it is important to fully understand what is going on with the patient before any techniques are used. In the second situation the psychologist can work with the company on what would be a test for hiring employees for that particular(prenominal) job. The psychologist needs to make authorized the tests are not biased and will be valid for anyone arouse in the job.The third step is when appropriate, providing in goation beforehand to employees and others who may be directly impact by a psychologists services to an organization (Fisher, 2013, p. 97). In the first situation, the doctor was the one who thought it would be best for the psychologist to work with the Larry. It is important that the psychologist explains that there is no guarantee that this technique will be objurgate for Larry and that working in sessions with the patient is required before any decisions are made. The psychologist also needs to inform the doctor of secretity. The information he provides to the psychologist will need to be kept confidential unless harm is through with(p) to himself or others, or if prosthetics is the right treatment to use.The psychologist in the second situation would need to prepare a document once a test was found. This document would include the interviews of the individuals applying for the job. The psychologist also needs to make sure that no one in the company would have access to the information of the individuals applying to the company. After the document was completed, it would be important that the psychologist sends the information to the person in charge of the process in a confidential manner.Fisher (2013) states the fourth step is acquiring adequate knowledge of relevant judicial or administrative rules former to performing forensic roles to avoid violating the legal rights of individuals involved in litigation (p. 97). The psychologist in the first situation needs to be familiar with the hospital or doctor office policies before helping patients and laws that make up under helping patients in a medical setting. It is also important that the psychologist has the best interests for Larry. In the second situation, the psychologist needs to be familiar with the companys policies and laws that fall under working in a business setting.The fifth step is taking steps to minimize harm when, during debriefing, a psychologist becomes aware of role player distress created by the research procedure (Fisher, 2013, p. 97). In the first situation if Larry decides to have prosthetics and the psychologist agrees that the technique is a good fit, there might be stress to learning how to walk with the artificial feet. The psychologist might track therapy with Larry since he or she has been through the process before getting the prosthetics.The second situation would deal with the individuals that are tak ing the test for the company to see if they would be a good fit for the job. Counseling might be needed for the individuals that do not get the job. The psychologist can recommend another psychologist that can work with the individuals who might be having a hard time in knowing they did not get hired.The ordinal step is becoming familiar with local social service, medical, and legal resources for clients/patients and third parties who will be affected if a psychologist is ethically or legally compelled to report child abuse, suicide risk, elder abuse, or purport to do physical harm to another individual (Fisher, 2013, p. 97). In the first situation, before the psychologist would start direction with Larry, the psychologist would have had him read over a consent form. The consent form would include that their sessions would be confidential unless harm would take place to himself or to others.In the second situation, the psychologist would include a consent form to give information about the test the individuals would be taking. It will also include that if any harm occurs in the process, the company as well as other services will be informed.The go amodal value step is monitoring patients physiological status when prescribing medicaments (with legal prescribing authority), particularly when there is a physical condition that might complicate the response to psychotropic medication or predispose a patient to experience an adverse reaction (Fisher, 2013, p. 97). In the first situation, Larry might be prescribed medication from the doctor after getting the prosthetics. During the sessions between the psychologist and Larry, the psychologist can monitor him to make sure there are no complications. If he starts acting differently or has an adverse reaction, the psychologist needs to inform the doctor as well as the hospital about how the medication is affecting the patient.In the second situation, the only way medication would be prescribed is if the individual t hat did not get the job was seeing a psychiatrist. Psychologists do not prescribe medication.The two situations followed the seven steps to avoid harm. Not all harm can be completely avoided, but following these steps will help the psychologist in any situation to make sure they can avoid serious consequences that can occur.ReferencesFisher, C. B. (2013). Decoding the ethics code A practical guide for psychologists. Thousand Oaks, CA Sage Publications.

The performance of Engro Corporation Limited

The performance of Engro stack LimitedEngro Corporation exceptional is in the first place cognize as a plant food producer and supplier in the Pakistan but currently operating in many an some other(prenominal) aras as well. In fertilizers, as a core product, the companion offers nitrogenous, phosphate, blended fertilizers, and little nutrients, such as zinc sulphate. Through its subsidiaries, company likewise ope charge per units in chemical terminal and storage, PVC resin manufacturing and merc exitise, industrial control and automation logical argumentes, dairy food and tycoon generation businesses. The company was previously known as Engro Chemical Pakistan Limited but in result of creation converted into a holding company social strategy company has switch overd its piss to Engro Corporation Limited in January 2010 and now the company has accommodate Pakistans largest pull together being involved in the businesses from fertilizer manufacturing to food product ion and power generation. The volum of sales in 2009 was almost Rs32000 million (USD 450m) and total fixed assets be about Rs94000 million (USD 1300m). Engro Corporation Limited was established in Pakistan in 1965 as a subsidiary of Exxon ltd (USA).BUSINESSES OF THE COMPANY familiarity engages in distinguishable products within different subsidiaries c bothed,Engro Fertilizers LimitedEngro Foods LimitedEngro Polymer HYPERLINK http//engro.com/our-businesses/engro-polymer-chemicals-limited/HYPERLINK http//engro.com/our-businesses/engro-polymer-chemicals-limited/ Chemicals LimitedEngro Powergen LimitedEngro EXIMP privy LimitedEngro Vopak Terminal LimitedAvanceon LimitedHISTORYIn 1957, the search for oil by Pak Stanvac, an Esso/Mobil roast venture led to the disco truly of the Mari fluid vault of heaven near Daharki a itty-bitty, remote atomic number 18a in focal ratio Sindh transaction at the time. Esso proposed the establishment of a urea plant in that atomic number 18a which led to a fertilizer plant agreement sign in 1964. In the subsequent year, Esso Pakistan Fertilizer order Limited was in bodilyd, with 75% of the shares owned by Esso and 25% by the general public.The construction of a urea plant commenced at Daharki in 1966 and production began in 1968. At US $43 million with an annual production message of 173,000 tons, it was the hit largest foreign putment by a multinational corporation in Pakistan at the time.A full-fledged marketplaceing organization was established which undertook agronomic programs to educate the farmers of Pakistan. As the nations first fertilizer brand, Engro (then Esso) upholded newize traditional dry land utilizes to boost farm yields, directly jounceing the quality of life not still for farmers and their families, but for the nation at large. As a result of these efforts, consumption of fertilizers increased in Pakistan, paving the way for the Companys branded urea called Engro, an acronym for vigor for Growth.As part of an external name falsify program, Esso became Exxon in 1978 and the Company was renamed Exxon Chemical Pakistan Limited. The Company continued to prosper as it relentlessly act productivity summations and strived to attain professional excellence.In 1991, Exxon dogged to divest its fertilizer business on a spheric basis. The employees of Exxon Chemical Pakistan Limited, in partnership with leading international and local financial institutions, bought out Exxons 75% equity. This was at the time and perhaps still is the most successful employee buy-out in the integrated history of Pakistan. Renamed as Engro Chemical Pakistan Limited, the Company has g ane from strength to strength, reflected in its consistent financial performance, harvest-tide of the core fertilizer business, and diversification into other businesses.Along the way, a major milestone in plant capacity upgrade coincided with the employee led buy-out innovatively optimizing our resources, Engro relocated fertilizer manufacturing plants from the UK and US to its Daharki plant locate an international first.Engro Chemical Pakistan Limited then started a journey of venturing into other sectors including foods, energy, industrial control and automation, PVC resin manufacturing and marketing, and chemical terminal and storage.In 2009 plans were announce of demerging the fertilizer business into an independent operating company. The expansion and growth in the company necessitated a change in the way the company operated and conducted business. Keeping in view the operations of multi category businesses, expansion outline and growth vision, the permit sexment decided that the divers(a) businesses would be better served if the Company was converted to a holding company. As a result it was decided to demerge the fertilizer business and establish a holding company construction to manage the affairs of various businesses.Engro Fertilizers Limited was incorporated in Ju ne 2009 to manage the fertilizer business post demerger. The demerger required the approval of the High mash of Sindh, which was granted on December 9, 2009 after obtaining the requisite approvals from the creditors and shareholders of the Company. The demerger became effective from January 1, 2010. Consequently, all fertilizer business assets and liabilities have been transferred to Engro Fertilizers Limited against the fill out of shares to the Company.To reflect the change in the scope of mandate and scale of operations, Engro Chemical Pakistan Limited has been renamed as Engro Corporation Limited with effect from January 1, 2010. Engro Corp, as the holding company is liable for the long term vision of the company, overseeing the performance of the subsidiaries and affiliates.OVERVIEW OF THE PAST LEADERSHIPMr. Zaffar A. caravan innPresident Chief Executive Officer, 1997-2004Mr. S. R. MirzaPresidentCEO 1988 1997Mr. H. I. KazmiPresident, 1981-1988Mr. J. E. BrewerPresident, 197 7-1981Mr. A. H. ConnelleePresident, 1974-1977Mr. George B. SweeneyPresident, 1972-1974Mr. Selby HarneyPresident, 1969-1972Mr. M. C. FuquaPresident 1965-1969(Above leadership structure does not include the present leadership and the purpose to picturise these leaders is scarce to describe the international involvement in the history of the organization)VISIONTo become the premier Pakistani enterprise with a global reach.MISSIONIn order to create values for its Stakeholders Companys accusation is to grow its business in profitable, ethical and sustainable way .Growth and sustainability are basic targets of the mission. Well conducting in the areas of allocating capital for different projects, managing talent, development leadership, guiding the HR policies, public relationing, marketing its products and services and pickings the corporative social responsibility etc are the key factors to be involved with. These areas of responsibility, in fact, provide the base to set a mission. A nd achieving the mission is then, providing a track to reach the organizations vision.THE ENVIRONMENTAL SCANAsteriois G Kefalas in his book, Global business strategy A system approach, explains that how and why an milieu is concerned to a nature of business and business organization.THE MACROENVIRONMENTMacro surround is actually a big picture of the surrounding environment in which a business and organization operates. Understanding the macro environment of a country or the world requires understanding the relationship between military personnelness and their natural habitat. The resources and the carrying capacities of the natural habitat affect both the quantitative human faces (such as creation volume and growth rates) and the cultural aspects (such as social, governmental, and stinting behaviours) of human life.MICROENVIRONMENTThe microenvironment has been defined as a particular organizations external business environment. examine the micro business environment serve we lls manager to set the organizations objectives by twin(a) the organizations internal strengths and weaknesses with the uncontrollable probabilities within that specific business environment.Engro Corporation limited operates in that part of the world where dramatic and unexpected changes are ceaselessly expected that requires the organizations analysts and mangers to keep an extreme eye on whats going on. here(predicate) i am going to present different psychoanalysis to help understand the environment in which Engro corporation exist.PESTLEPestle analysis categorically involves the factors which are directly concerned to the macro environment and they are Political, scotchal, social, technological, legal and ecological.POLITICALPakistan is currently suffering from semipolitical turmoil. On one hand where it is struggling against the issue of alarmism which involves the international community and international politics on the other hand its cladding internal political inst ability. Because of the continuous military interference into government and politics the Political forces, in the past, have not had enough chance to practice fundamental elective values. In result both political forces and the people of Pakistan have not yet been able to achieve the political maturity which can be seen in the western, American and other democracy dominant societies. The overall federal agency is further resulting into the empowerment of unreliable and corrupt executives who are usually responsible of making economic and social policies. That is why Pakistan is not achieving required economic and social goals yet. The policy makers usually involve in taking surge backs and turning policies into their personal pursuit, after 9/11 the war against terror has put a great impact on Pakistan and is actually resulting into the close of peace of the country. International communities and investors are hesitating to invest in Pakistan. crimson though the tax revenu e policy, employment laws, environmental regulations, trade restrictions and tariff regulations have been explicate but implementation on these policies is not being conducted in mannered way. Also there is a need of brining new economic and agriculture reforms.Especialy the agriculture tax reforms where the per unit land tax wrong has been a big issue over the times. Employment laws have been formulated according to the international standards but child labour issue ask to be addressed on war grounds. universe a fraction of WTO Pakistan supports the free market and free trade ideology but in fact no such free market is in practice in the modern world. Every country has some trade barriers to nurse local application, so does Pakistan. An anti dumping duty ordinance is in place to protect local industry that also encourages local industrialists to invest further. The tariff rates and policies are being reviewed over the time. Having all these positive(p) indications Pakistan s till needs to modernize the trade and industrial sectors by developing transparent policies. In the current time the civil society of Pakistan seems to be awakening to break the political and feudal status quo that will help Pakistan, in future, to develop a civilized political culture.When we analyze the Engro Corporation having the above environment in backgrounds and beyond we need to give goodish attention to the Engros internal strengths and weaknesses. Here i would talk about worry internal strengths in comparison of that particular environment. On one hand Engro has attempt to keep away from being politically attached to that strain and has concentrated properly on its business which has helped it to become not bemire professional organization. On the other hand Engro has been complying with the countrys law and cultural values. Because of the healthy internal culture and commercialism company has strengthen itself to compete with various kinds of political deal.ECONO MICALPakistans economic growth rate is currently 5.5% which was 8% once in 2005 but large shortage of electricity and political instability has affected the growth rate. Economic growth of Pakistan can be seen through gross domestic purchasing power parity, which was estimated to be $454.2 zillion in 2008. Official exchange rate was approximately $160.9 billion, while accepted growth rate in 2008 GDP of Pakistan, as per statistical info was found to be 4.7 percent. GDP per capita income was $2,600 in 2008. Interest rates are slightly high in Pakistan because of IMF conditional bailout programme and were rose by 15% in 2009.purcasing power of Pakistanis has been shaken up by 13% of inflation rate. Wage rates, minimum wages and 60 hours per week workings time in manufacturing sector and 48 hours in service sectors are very suitable for large and international businesses. High percentage of unemployment is resulting to be suitable for cheap labour provision but it increases the in flation rate that affects business directly on the other hand. Countrys cost of living is degrade comparing to developed countries. Engro Corporation is directly affected by these factors. Engro has tried to take benefit from availability of cheap labour but interest rates are putting a negative effect on engros internal economy because it has financing relations with most banks in Pakistan also with some international banks like HSBC,Barclays etc . Inflation rate is also change engro especially engro foods which involves direct relation with public purchasing power on broad levels. On the other side the global economy is facing a downturn in recent times. The economic recession has rolled largest economies in the world. Engro needs to have a deep look on this factor in order to develop strategies for international perspective.SOCIALPakistan is an untaught country, 70% people living in rural areas, 98% population is Muslim. 42% population under 15 years of age scarcely 4% over 64 years of age .2% per year population growth rate, 65% literacy rate. The geographic area of country is known to be one of oldest civilizations in the world. But because of poor economic condition the sentience about health consciousness, safety and global warming has not been very significant but now the awareness ratio on these issues is go rapidly in the society. Increasing literacy rate especially in IT and technology sectors have changed the career attitudes in the country. A strong business and industry culture is developing itself influencing by different factors. Engro Corporation is directly portion to 96%of the countrys population. A large portion is covered by engro fertilizer. Engro foods is taking health consciousness into the consideration for its product development. Engro is building Pakistans first super C power raise to tackle the global warming issue. International health and safety standards have been achieved by Engro within all its industries especia lly in chemical industry. Providing employment on large scale Engro has shared the change in career attitudes.TECHNOLOGICALIn the modern age technology is advancing and improving every day. These advances are not only influencing corporate businesses but equally influencing the societies as a whole by transport the change into social behaviours. On the corporate level as the organizations adopting the level and vertical integrating method, Getting as more as come-at-able technological strength is a powerful weapon to achieve the corporative integrity. Pakistan as a developing country needs technological advancement in every sector of economy ranging from electricity generation, road construction, port and airport developments, data base structuring, information technology railway, food industry, oil and shoot a line sector, logistics and many more. Government is privatizing and out sourcing mega projects and multi industry sectors to save costs and to gain financial balance. Es pecially in oil and energy sectors Pakistan needs huge investments. These requirements and circumstances are actually a massive potential market for the organizations which have well-built technological resources. Engro takes advantage from this availability and has offered in sourcing to the government in multi sectors like currently working on a power house project with the collaboration of government. The project is called Thar coal power project which is partner to produce 1200MW electricity for the country using coal reserves.ENVIRONMENTALBeing a developing country Pakistan is considered to be one of those countries where the ecological and environmental aspect needs special concentration. Pakistan has six metropolitan cities which have with child(p) industry manufacturing textile, leather products, fertilizers, steel goods etc. Most of the countrys vehicles run on diesel and petrol. Small level industry like brick making and small steel melting units leave a big amount of ca rbondyoxide in the air. Clean drinking water is also a big issue in the country. Handling and recycling wastage from manufacturing sector is most critical aspect of the ecological concerns in Pakistan. On the other hand diseases due to revolting water and improper food are also a dispute for the country. All above issues are influencing Pakistan both economically and socially. But on the same time there is a huge potential for investments from eco kindly organizations to compete against these challenges. Implementation on environmental regulations is on high entreat from the global society as well. Engro being part in this environment is playing its role by internally implementing the related laws and standards like , subprogram safety, workforce safety, workplace health, food safety, risk assessment, and environmental performance. In the field engro is building Pakistans first green power house in Sindh province and looks ahead for many other projects.LEGALHaving been develope d with in business laws and taxation laws according to the international standard legal situatations in Pakistan are at satisfactory level. Recent business decrees have helped the country to be suitable for international investments. No restrictions on joint ventures and revision of tax ordinance 2001-2002 are the latest achievements towards investment friendly society. But overall small tax base and unsatisfactory tax collection system along with economic and political situations present a negative impact on countrys economy. Also implementation on import/export laws concerning duty and custom tax is significantly lacking. But now as the modern educated youth is entering into the countrys judicial and legislative institutions the overall circumstances are getting better and better. Also the awareness about economic globalization in the general population is increasing day by day that will soon reflect into the more betterment of legislation and legalization circumstances. To prot ect the local fertilizer industry government has passed a law of imposing anti-dumping duty on fertilizers import and has allowed the industry to import fertilizer plant equipments without paying any tax . Beyond the zeal of taxation policy and joint venture legalization in Pakistan Engro has interpreted a step of being part of an international business joint venture that is called Avanceon Advanced Automation LP, a leading provider of technology solutions to manufacturers In north US, Innovative Automation Engineering, FZ, a leading Dubai base engineering system integration company serving Middle vitamin E and African Oil Gas, Water, Waste Water, Infrastructure, and Manufacturing industries and Engro Innovative Automation Pvt. Ltd., a global provider of industrial automation and engineering support products and services announced a joint venture under the name of AVANCEON.PORTE FIVE synopsis

Assessment for Learning techniques and the teaching of Science

discernment for Learning techniques and the tenet of acquirementThe purpose of this literature review is to look for recent literature and search conducted into Assessment for Learning (AfL) techniques and relating directly to the statement of experience as a subject in spite of appearance native tuition. This literature review is predominantly knowing to address the pastime research questionsWhich argon the most popularly utilize techniques of AfL in erudition?How is constructivism cerebrate to AfL in Science?Do former(a) subjects social occasion different AfL techniques than be used in knowledge?How common is the use of AfL in science?What is the impact of the use of AfL on pupils collar of scientific concepts?How does AfL impact on the coating of scientific skills at KS2?To research these questions, searches were do using Athens, searching the British Education Index (BEI) and The facts of lifeal Resources Information Center (ERIC) and Australian Education Index (AEI) research systems for articles and books relating to Assessment for Learning (AfL), formative assessment and science education which had been published since 1990. passel searches were also made through Primary Science Review, Science Education and School Science Review.Assessment for Learning (AfL) has been defined asthe butt of seeking and interpreting evidence for use by learners and their instructors to decide where learners are in their discipline, where they need to go and how best to get there.(Assessment Reform Group, 2002)The application of scientific skills at KS2 has been encapsulated by the Welsh Assembly Government in their new Welsh manakin documents throw ind in 2008 asLearners should be taught to meet their scientific skills, knowledge and understanding to applications of science in everyday life, including watercourse issues. They should be taught to recognise that scientific sentiments muckle be evaluated by actor of information gathered f rom observations and measurements.(Department for Children, Education, Lifelong Learning and Skills, 2008)Research into AfL (e.g. Black William, 1998 and Osborne Freyberg, 1985) has indicated that whilst it is win that all children benefit, it is not something added to teaching, but is integral to it (Harlen, 2006b, p. 176). In essence, AfL offernot be an extension to the pedagogical do work conversely it must be inherently encompassed deep d experience all teaching and scholarship practices.Harrison and Black (2004) bewilder the ideology bum Black and Williams make call up (1998) relating to AfL techniques and research directly to the subject of Science. Whilst predominantly focussed towards secondary science teaching, this work is still relevant to Primary Education. In this work, they develop the reasoning behind the advantages of the use of AfL at bottom Science slightons.Science provides the means by which learners put forward interact with the worldaround them and develop ideas about the phenomena they experience. So,when they attempt activities such as germinating seeds, their studies in science apparel them with elans to observe and question what is happening. Through experiments they can begin to work out and predict what might happen if conditions for the growing send offt change. To be able to learn science in this way, student needs attention in developing process skills to investigate, and communication skills to question and discuss findings. pliant assessment fits well into this learning scenario, since its purpose is for teachers to sift the rich data that arise in schoolroom discussion and activity, so that professional judgements can be made about the next steps in learning.(Black Harrison, 2004, p. 3)In her paper presented to the British Educational Research Association Annual Conference, dismal (2009) highlights the slackly accepted techniques of AfL used within the schoolroom, which some articles are generally in agreement with, which arePeer and self-assessmentSharing learning goals and success criteriaEffective questioning and dialogueEffective teacher feedbackIn addition, the vastness to an effective classroom climate where children are encouraged to share their thoughts and unconstrained by the correction of wrong answers and the feeling that being wrong is a negative rather than the opportunity to share initial ideas, is essential.When researching methods into AfL and its introduction into the native classroom, history determines that the Plowden radical (1967) must be mentioned and discussed regarding her research and finding that showed, correspond to Bell (2008) in hindsight, amazing vision when it indicated that a successful education should includechild-centred approached to teachinga topic based curriculum baring learningThe core principles and values that directly relate to modern AfL techniques and philosophies command thatchildrens views are highly valued and actively sought outthat their learning engages them in a way that they can actively relate them to other aspects of their livesthe learning of skills across the curriculum enables children to be equipped to deal with a variety of situations rather than a single subject discipline.Critics of these ideals as Gillard (2004) describes are the writers of the Black Papers and their followers who criticised much of what the primary schools were doing and blamed the Plowden Report at least in part for what they saw as inapplicable trends during the 1970s and 1980s. Driver (1983), besides agrees with the underlying philosophy behind the Plowden plow findings, stating that It is, after all, the coherence as perceived by the pupil that matters in learning. Driver was also part of the Childrens Learning in Science figure (CLISP) which researched the area thatit is as important in teaching and curriculum phylogenesis to consider and understand childrens own ideas as it is to give a clear presentatio n of the conventional scientific theories(Driver, 1983)In their article, Lindsay and Clark (2001) describe ways in which AfL strategies (and specifically self- and peer-assessment) can be used to develop a constructivist classroom where children participate in creating and reflecting on their learning (p. 15). They also identify advantages to these techniques specifically develop scientific skills stating that children become much scientific in their enquiriesencourages children to be constantly involved in the scientific process and their role within it (p. 18).Black and Harrison (2004) also discuss the importance of discussion within the science classroom where students feel they can reveal authentic understanding and be encourageed to further understanding and feel that this is an essential ingredient to making formative assessment function in the classroom (p. 9).With regards to communion within the classroom, many writers maintain defined three different kinds Triadic dial ogue (three stages usually teacher initiation, pupil response and teacher evaluation), Authorative discourse (teacher conveying information to the pupils) and interactive or non-interactive talk. Chin (2006) draw outs that the triadic dialogue method is often perceived to have restrictive effects on pupil thinking (p. 1316), that ideas conveyed by the teacher using authorative discourse tend to be ignored and that interactive talk is described as dialogue. Generally in agreement are Asoko and Scott (2006) who draw a bead on that effective teaching involves all these approaches (p. 163).Hodgson (2010) describes the sharing of success criteria with the children in a Primary classroom as a key AfL strategy and is linked directly with feedback. Black and Harrison agree with this point in their summary of what they believe are the essential factors of effective feedbackshould motivate the child to discuss his or her thoughts with the teacher or a peer (p. 12) in order to set out the self-development of the childencourages instantaneous actionrelates back to the success criteria (p. 13)Allows learners to compare their own ideas of achievement against that of the teacher or peerIndicates to the child where to go for help and what they can do to improve (p. 13)(Black Harrison, 2004)Leakey (2001) carried out a study where she inform on her own experiences with experimenting with sharing learning objectives and success criteria with children of a vagabond of ages and believes it to be a successful AfL strategy because it gives children ownership of their own learning (p. 68). Leakey also suggests that it is only with the insight of what it is that they are trying to achieve can children are able to make connections with any feedback that they subsequently receive.Koegh and Naylor (1996) delivered a rebuke at Manchester Metropolitan University sharing their ideas thatConstructivist views of learning in science suggest that learners can only make sense of new situ ations in damage of their existing understanding. Prior knowledge is used by learners to interpret observations marrow is constructed by individuals in a process of adding to or modifying their existing ideas.(Keogh Naylor, 1996)and cited the working of others who share the same view (Driver (1983) Osbourne Freyberg (1985) and Scott (1987)).The inferences behind the constructivist theory relating to education are that the teacher is aimd to find out childrens ideas (elicitation) in order to cut them into consideration when planning their teaching to provide teaching and learning experiences which leave alone develop the childrens ideas and challenge their understanding of a specific area. Within science education, there has been a great deal of research into the benefits of using constructivism as a method of AfL with many teachers appreciating the concept of constructivism within the science classroom. Curriculum resources have been create along with specific research inclu ding the (Science Processes and Concept geographic expedition (SPACE) project (1990-92) and as a result research by Nuffield Primary Science who have used this research to develop many pedagogical aids and teaching resources for teachers within the classroom.However, Bentley and Watts (1991) discussed their concerns that there is a distinction betwixt what they define as the strong characteristics of theoretical constructivism and the ability of teachers to apply it to their teaching resulting in a weak version of constructivism that is delivered in the classroom. Leeds (1992) describes that although teachers find it easier to plan activities following an elicitation session where learners preconceived ideas have been identified, the matter-of-factities of tailoring an inclusive education where all childrens learning issues relating to a specific area is more or less impossible when faced with a class of 30 differing ideas. In similitude to the difference between the amount of research into the benefits of a constructivist approach to teaching and the teaching resources and pedagogical guidance operational, Claxton (1986) described the mountain of examples of childrens alternative conceptions (p. 126) which were available at that time and noted that the guidance for teachers on how to restructure the learners ideas was less prominent in the literature. More recent research also focuses more closely on the elicitation of ideas, but much less is write about methods and techniques which allow teachers to restructure these ideas as a whole class exercise. The aim of the SPACE project was tostart where the children are, building on the ideas children tote up with them to lessons and helping them to develop their understanding of scientific concepts.(Nuffield Foundation)Nuffield Primary Science developed a series of books covering the Science Curriculum, which included many misconceptions of children in each area along with examples of concept cartoons and e xamples of activities that could be used in order to restructure the highlighted misconceptions and develop childrens thinking, in order to aid teachers within the classroom to enable children to test out their own ideas through practical hands-on activities and investigations. These publications are now unfortunately out of print however the reports relating to the SPACE project continue to be available from the Nuffield website (Nuffield Primary Science).The use of specific strategies such as concept cartoons (Keogh Naylor, 2000) and mind mapping (Stow, 1997) introduce researched methods of elicitation within the science classroom and offer an effective way of concluding any project where children can revisit the original idea and discuss how and why they have developed throughout the study period.However, teachers require the flexibility and space within the curriculum in order to effectively put these theories into practice in order that the benefits can be maximised. AfL wil ling only be successful when both teachers and children are committed to its process and where both use it as a method for developing current learning and developing and expanding their skills and knowledge base. This idea is supported by the followingAssessment for learning only works if pupils and teachers take action on learning needs.(Ward, Roden, Hewlett, Foreman, 2005)Black and William best summarise the use of AfL within the classroom as followsThere is a body of firm evidence that formative assessment is an essential feature of classroom work and that development of it can raise standards. We know of no other way of raising standards for which such a strong prima facie case can be made on the basis of evidence of such large learning gains.(Black William, 1998)

What Does it Mean to be Healthy? Reflective Essay

What Does it Mean to be Healthy? Reflective EssayHealth, like beauty, lies in the eyes of the percipient and a single definition locoweed non capture its complexity. To this end, this essay aims to explore what health convey to me and how it has been influenced by the experience of coping with my sustains inveterate illness. To me, health transcends the absence of disease to complicate the somatogenetic, psychological and genial well-being of a mortal it kernel the empowerment of the several(prenominal), and is the foundation of a fulfilling life it likewise subject matter lovingness closely the plenty who c be to a greater extent or less you and whom you business organization about. mentionFor a period of time, my mother has been complaining of inconvenience in her joints, hips and to a greater extent recently, her back. I always had a bad feeling that there was something glowering about her pain so far though our general practitioner could non pinpoint anyth ing serious after several differential diagnoses. However, as she has a family history of joint pains, I chose to be in a call forth of denial to her pain and attri furthered it to a genetic condition she had that would go out with time.However, that was not the character reference. My family observed that my mother was getting more stirred uply pettish as time went by, and the nagging pain meant that she often found reasons not to take part in fond activities that we organized. It got to the extent that she was constantly double-dealing in bed and could not do her favourite activities, such as passing game to the market, without considering the amount of movements she would hurt to go through. The radiating pain in addition gave her sleepless nights and all these were taking a toll on her attribute of life, among galore(postnominal) other factors. It was debilitating. And as her daughter, I tangle helpless. More so because I was studying medicine, and was plagued with the guilt of not being able to adopt the misfortunate of the individual I loved the most.The dogged pain worse and my family decided to consult a specialist for a second opinion. A neoplasm was suspected. While the specialist make his diagnosis, I was very brainsick for my mother. I tried to prepare myself mentally to cope with the worst case scenarios, and this affected me emotionally and psychologically. I had no one to turn to as I did not want to worry others, and was at a termination of what to do. The results later revealed that my mother was diagnosed with a benign tumour (spine haemangioma). The specialist verbalize that it was the lesser evil because it was not malignant, but that she would feel inveterate pain throughout her life. What provided comfort to my family was the doledge that there were preachings available to contain the tumour through methods such as radiotherapy and physiotherapy.ReflectIt pains me to know that the person I love would be put through unworthy both from the disease and its treatment, and I wished I could be the one going through it instead. Upon reflection, I realize that I had not been dealing with my emotions effectively. The charge of finding out more and my escapist mentality had prompted me to create an native barrier, such that I could not provide the care and support for my mother as I would have liked her to have felt.Health means the holistic wellbeing of a personWitnessing her chronic pitiful has make me realise that health does not notwithstanding mean the absence of disease but it requires a more holistic view which encompasses the somatogenic, psychological and social well-being of a person. I used to think of health as merely the absence of corporal pain that arose from diseases, and to this extent, the physicians task of relieving suffering was merely to alleviate the immediate physical pain and discomfort. However the lit I was exposed to on the nature of suffering in ill persons made me p ursue to the realisation of my control examineing of the term suffering. Through my look to understand the multi-faceted dimension of a person, and what suffering entails, I hope to be able to better understand what my mother is going through (albeit completely(prenominal) the tip of the ice berg).Health means the empowerment of the individual, and is the foundation for a fulfilling lifeAs the Catalan proverb goes, from the bitterness of disease, man learns the pleasantness of health. I have too often taken for granted the dower of health that empowers a healthy individual to pursue things that matter in life not only ones aspirations or happiness, but down to the short(p) things that affects our everyday living. For instance, I have seen how the chronic pain influenced my mothers daily routine, and brought some(prenominal) discomfort when travelling or doing household chores. I have come to appreciate that health enables individuals to use their body as a vessel to fulfi l their dreams and satisfy their needs without being tied down or be restricted by suffering. Health is thus the basis which enables people to pursue happiness and wealth, aptly worded by Elbert Hubbard, who said, If you have health, you probably pull up stakes be happy, and if you have health and happiness, you have all the wealth you need, even if it is not all you want. It takes a loss of health to appreciate these wrangling of wisdom.Health means caring about the people who care about you and whom you care aboutI always thought of Health as merely a personal responsibility and a duty that an individual owed only to himself. However, this experience has prompted me to comprehend how the absence of health in individuals ordain affect the mental, social and physical health of their loved ones as well.Research, psychoanalyse and connectThe schoolman literature available allows me to gain a deeper shrewdness on what health means to me and allows me to make sense of my experienc e in a broader context through considering the perspectives of others.Through examining the concept of benevolent suffering brought about by the absence of good health, I learnt about the bank bill between suffering and pain. A person who is in pain whitethorn not feel a proportional sense of suffering it is too possible for one to suffer even in the absence of pain. (Sanders 2009) In light of my mothers chronic illness, I was prompted to examine the literature on human suffering which made me realised that my grounds of the word suffering was limited at best. While I had always aspired to be a regenerate to relieve the pain and suffering of people, I was of the view that human suffering was synonymous with physical pain brought upon an ill person due to diseases. However, literature has shown that suffering goes beyond the physical pain, and suffering defined merely as pain, disregards the broader signifi lavatoryce of the suffering experienced by the ill. (Charmaz 2008)Suffer ing includes physical pain, but it is not limited to it. It can be understood by examining the many aspects of a holistic person and when any of these aspects is threatened, suffering ensues. These aspects may include a persons past, his or her role in society, relationships with others, day-to-day behaviour, and perception of the future. (Cassell 2004) The persistent pain my mother experienced affected her ability to do things that she had foresightful associated herself with, such as playing tennis or climbing the stairs. In addition, my mother may have seen herself as being defined by several societal roles, such as being a wife, mother, angel dust to her parents, and a useful member of society. If the pain overwhelms her and restricts her from fulfilling these roles, she may see herself as being less than whole, and this may contribute to her perpetual suffering.In considering the holistic person and the suffering which impacts upon the many aspects of a person other than phys ical afflictions, it confirmed my understanding that health should also mean the physical, psychological and social well-being of a person. By understanding the multiple aspects of a personhood, I now better appreciate why medical checkup education is shifty its emphasis from the traditional reductionist biomedical clay sculpture of medicine to the biopsychosocial model of health. The limitations of the biomedical model is that it treats diseases in cost of abnormal physical mechanisms (Engel 2002) and this is unequal to(predicate) in relieving sufferings in patients, as we now understand it to transcend the physical mechanisms to also encompass the holistic well-being of a person. The implications of the failure of physicians to understand the nature of sufferings can lead to medical interventions that (though technically fitting) not only fails to relieve suffering but becomes a source of suffering itself. (Cassell 2004)This reflective practice also gives me a timely opport unity to evaluate my emotions and thoughts against that of the wider community. germane(predicate) academic studies have shown that chronic illnesses also has an impact of the lives of caregivers. (Jung-Won Zebrack 2004) The emotions and thoughts that I felt were validated by researchers that show that receiving news of the chronic illness of a loved one can provoke emotions such as sadness, denial, rue and guilt. This may be due to guilty feelings of not giving adequate support to the ill person or it could be due to the emotional pain of feeling the loss of a loved ones health. (McIntyre 2005) It is important to learn to the impact of chronic illness on caregivers as research has shown that the holistic health of a caregiver has the potential to influence the health outcomes of persons with chronic illness. (WE 1999) Suggested methods of coping with these emotions include talking to someone being informed about the disease as it gives the caregiver a sense of control and eval uate that there is a limit to the relief that a caregiver can provide. (familydoctor.org 2010)Decide, act and evaluateIn light of the reflective writing and the academic literature reviewed, I hope that this will help me to come to terms and cope with the negative emotions I felt since receiving news of my mothers tumour. I can approach this by confiding in someone I am comfortable with, confronting my escapist mentality by finding out more about my mothers spinal haemangioma, and being aware of the treatments that she is going through. Her treatment is apparent to expand over a long period of time, and she would need more than emotional support and love from me. I have to be unfastened to discussions about her illness and not evade any conversation on the topic as I did before.This reflective practice has also helped me to be more understanding and sensitive to the suffering of patients and their families. As a medical student, I have been made aware that the suffering of patien ts extends beyond physical pain, and that it is necessary for physicians to focus on patient-centred medicine and attend to the biopsychosocial model of health. It is also important to be aware of the impact that caring for a chronic ill patient has on the caregiver. To this end, I can be proactive as a future practitioner in asking caregivers how they are coping, and provide them with support services that they can turn to. I have also realised the important roles that practitioners play in preparing caregivers for the transition of roles to care for the ill, and in helping them anticipate changes that may occur in their lives. This gives caregivers a better sense of control over the situation, and increases their confidence in caring for the patient.A major takeaway from reflecting on what health means to me has been my understanding of the importance of medical practitioner to focus not only on curing diseases but also to relieve the sufferings of patients, understood holisticall y. To me, health transcends the absence of disease to include the physical, psychological and social well-being of a person it means the empowerment of the individual, and is the foundation of a fulfilling life it also means caring about the people who care about you and whom you care about. debate Can Miniperc Replace timeworn PCNL?Study Can Miniperc Replace standard PCNL?Can Miniperc replace standard PCNL? Appraisal of analysis of consecutive 318 patients.OrWhat is the contempory role of miniperc? Appraisal of analysis of consecutive 318 patients.Introduction Percutaneous nephrolithotomy (PCNL) was introduced for treatment of renal stones in 1976 (1). Over the years PCNL has undergone many modifications and improvements. These were aimed at astir(p) the clearance of the stone and towards achieving complete clearance and also at decrease the complications associated with it. PCNL is the standard of care for renal stones with size 20mm and a treatment excerpt for stones

Performance Analysis Of Election Algorithm Computer Science Essay

Per beance Analysis Of alternative algorithmic ruleic programic programic curriculumic ruleic ruleic program Computer Science EssayDistri thated systems argon the systems consisting of multiple central solveors that connect finished a cyberspace to communicate. To manage the communication between unlike thickenings and the exchange of selective information between them, a draw among them is required.In our project we impose the various Election algorithms for choosing the loss attr goor in Distributed Systems thus firmness of purpose the coordinator option problem. We atomic tour 18 also compa basket the performance of each(prenominal) of these alternative algorithms. low gear we use the Election algorithms utilise the mental object passing interface(MPI). Then we metric and pard the performance of each of these resource algorithms and simulated the results. Fin eachy we modified the distributed drawing card election algorithm to suit the mobile ad-hoc m eshings.Key Words Distributed Systems Election algorithms Unidirectional environ algorithm Lelanns algorithm Chang Roberts algorithm two-way reverberance attracter election Mobile Adhoc NetworksIntroductionDistributed systemIt is a root of changeors where the memory or a quantify is not shargond. Every solveor has its own associated memory and the breeding is exchanged through communication networks.Distributed algorithmA distributed algorithm is an algorithm run on such a distributed system assuming the non-existence of central coordinator in these systems. So these algorithms require ane service to act as a coordinator. There is no port to select one of them to be drawing card if whole told the lickes argon similarly without different characteristics. One of the shapees has to take this special responsibility, no matter which puzzle out takes it.This problem in which a drawing card has to be elect is termed as the coordinator election problem that is how to choose a process among the different processors to restricttle it a central coordinator.Election algorithmAn election algorithm is utilise to solve the coordinator election problem in these distributed systems. Any election algorithm must be a distributed algorithm by the nature of the coordinator election problem. The most important feature in election algorithm is it assumes any process has a Unique ID. It votes a process from among the different processors which terminate act as the initiator, sequencer and monitor in detecting and solving smears like Deadlock, Mutual Exclusion etc. Thus electing a leader process has become a major issue in pumped up(p) and ad hoc networks.The goal of election algorithm is to see that when an election start outs it deaths with all processes by an capital of New Hampshire as who has to be the modern coordinator.ELECTION algorithmic program ON RINGS A fence is formed by the processes in bunch algorithm. In this each process channe ls only meanings to the next process in the ring.It eject be classified into two categoriesUnidirectionalBidirectionalThe substances are displace only in one direction in unidirectional and in both directions in Bidirectional ring algorithms.To compare the performance of these algorithms, the different criteria interpreted into consideration areTotal chassis of put acrosss passedComplexity of the marrows used eon elapsed by the algorithm2. instruction execution SoftwareWe have used the centre passing interface (MPI) for implementing our algorithms which are discussed below. It is a standard specification for communication through messages among different processes. It is free of any language. It is used in parallel computing to write programs for mathematical group and point to point communication between lymph thickenings.We used the C language to implement the election algorithms. The MPIs routines are nowadays callable in C. The master(prenominal) MPI calls used i n our program areMPI_Init Before communicating, all instances of the commandment should call this so as to prepare the MPI implementation for the communications environs.MPI_Finalize For exiting the communication, this is called by all the instances of the code.MPI_Comm_size To learn about the rate of processors which are using MPI environment to communicate, this routine is called.MPI_Comm_rank severally of this process assigns an integer to the communicating process.MPI_Send To circulate a message to another process, this is called.MPI_Recv This call allows to receive a message from a process.3. Unidirectional rebound AlgorithmsThe ring algorithm consists of processes arranged in the form of a ring consisting of a token. The token is passed between processes and the process which has the ring can send a message.The election problem can be implemented using the ring algorithmsLelanns algorithmChang Roberts algorithm3.1 LeLanns algorithmIn this we assume that all the processes are physically and logically ordered.In LeLanns algorithm whenever the coordinator is lost, the initiator sends a token to the other processes in the ring by adding its id. Nodes cannot initiate any messages once they receive the token. After circulating the token, if the process receives back its id thus it is chosen to be the leader since it knows that others cannot become leadership as it knows all the ids of the other processes and it has the least id. The message complexity of LeLanns algorithm is O(N2). algorithm ill-use 1 begin grade 2 send the token to neighbours with id of circulating(prenominal) process as iStep 3 add current process id j and forward to neighboursStep 4 if process P receives back its id thenStep 5 leader is PStep 6 else return nullStep 7 endcontent ComplexityEvery initiator sends N messages. So the flog case duration complexity is N2. The algorithm is implemented using MPI and the message complexity and quartetth dimension complexity given by the MPI program isNo.of processesMessages factual cartridge holder exploiter timeSystem time5251.1950.0250.023101001.2920.0270.024152251.4460.0300.027204001.5510.0340.030256251.6540.0360.030 tabul rotate 1 LeLanns algorithm3.2 Chang Roberts algorithmThis is similar to lelanns algorithm but with a little change. When a process receives a token with an id great than the current process id, it drops that particular token as that process cannot be a leader . Hence it forwards the token with an id little(prenominal) that itself. In this way it saves time by discarding the unwanted messages. The worst case message complexity of Chang Roberts algorithm is O(N2) and the average case message complexity is O(N logN).ALGORITHMStep 1 send message with identifier = I to other processesStep 2 if identifier J of current process I then send the message to neighbours with identifier IStep 3 else drop message with identifier I and send the message with identifier J to neighboursStep 4 continue th is process until a particular process receives back a message with its identifier.Step 5 if a process receives a message with its id then process= leader.Step 6 else return nullStep 7endMessage ComplexityThe best case time complexity is 2N-1. The process with largest id sends N messages and other N-1 processes send one message each. The algorithm is implemented using MPI and the message complexity and time complexity given by the MPI program is given in the turn off 2.No.of processesMessagesReal timeUser timeSystem time591.1890.0240.02310191.2990.0270.02415291.4120.0290.02620391.5310.0330.02825491.6500.0360.031 tabularize 2Robert Changs Best Case AlgorithmThe worst case time complexity is N(N+1)/2. The process with largest id sends N messages and other N-1 processes send messages from 1N-1.No.of processesMessagesReal timeUser timeSystem time5151.1860.0240.02310551.3010.0270.025151201.4140.0300.027202102.5110.0340.029253251.6540.0350.030Table 3 Robert Changs Worst Case Algorithm4. B idirectional anticipate Algorithms4.1 drawing card election algorithm for Bidirectional RingIn these biface ring algorithm messages can be sent or exchanged in any direction. We have used the algorithm mentioned in 2 An improved upperbound for distributed election in bidirectional rings of processors. J.Van Leeumen and R.B Tan. Distributed Computing(1987)2149-160 for implementing it with the MPI.The name (identifier) of a large processor is contained in the present ID which is maintained by the processor and a (Boolean) register DIR that has a direction on the ring in which there are processors that s bowl have a smaller processor up for election.A smaller candidate which is still alive when the messages( the ones having the name of a colossal candidate) are created, have them being sent out in its direction. Processors that begin a chase are known as ready, and the left over(p) all over processors are observant. To get rid of the smaller candidate and force agreement on th e larger candidate is the main idea behind a chase. After the current active processors have begun the chase, the observant processors basically relay race messages onwards unless they notice an unusual situation on the ring only. As the algorithm proceeds, there are two unusual situations that can swipe at the location of an observant processor. They are(i) The processor receives a message of the current phase, say through its left refer, that contains a value which is less than the current value in its ID register. The processor turns active, increments its phase enactment by 1, and initiates a chase with the value its current ID in the direction of the message that was received, i.e., out over its left link.(ii) Two messages of the same phase are received by the processor from pivotal directions. The processor turns active, increments its phase number by 1, and initiates a chase with the largest value contained in the two messages in the direction of the smallest. As the alg orithm proceeds, several active processors that can arise in a phase rapidly decreases, and at the end a single processor go out be left precisely. This processor exit be familiar that it receives two messages of the same phase from black eye directions that do same values and is elected because every it receives a message of the current phase with a value exactly alike to the one it sent out (and stored in its ID register) or it receives two messages of the same phase from opposite directions that hold same values. ALGORITHM 2The algorithm describes the actions of an arbitrary processor on a bidirectional ring with half-duplex golf links as required for electing a leader1) Initializationa) Let u be the executing processors realization number. Send message to both neighbors and phase number Pnum=0b) restrain for corresponding messages and to come in from two neighborsc) correspond u1 and u2 and desexualise ID to max(u1,u2)and Dir to the min(u1,u2) and goto bustling state else Observant state.2) ElectionA processor performs in either active or observant state.a) ActiveA processor enters the active state with some value v stored in its ID register and a phase number p. The phase number p is either stored in Pnum or it is an update stored in temporary register. The phase number Pnum is incremented by 1 and a message is sent in Dir direction and goes to observant state.b) ObservantIn this state a processor receives messages and passes them on, unless an unusual situation is observed that enables it to initiate a new phase.Receive messages from one or both directions. Discard any message received with p less than Pnum.i) If the number of messages left are zero then go to observant state.ii) If the number of messages left is one then Let the one message received be where necessarily p=PNUM.if p=PNUM thenv = IDgoto premisev DIR= direction from which the message was receivedgoto active statev IDbegingoto observantelsePNUM = pID =vDIR=the direction in which the message was going Send message to directionDIRgoto observantiii) If the number of messages left is one thenLet the two messages received be and ,necessarily from opposite directions and with p=PNUMif v1=v2Pnum = pgoto inaugurateelsev1=v2ID-=max(v1,v2)DIR=the direction of min(v1,v2)goto active3) InaugurationA slay to this lowest exam phase occurs when the algorithm terminates and the ID register contains the identity of the anomalous leader.Message complexityThe message complexity of the bidirectional algorithm is 1.44NlogN + O(N). MPI is used implementing the algorithm. The Time and message complexity given by the MPI program isNo.of processesMessagesReal timeUser timeSystem time5141.1860.0240.02210291.3020.0270.02415441.4170.0300.02620591.5340.0330.02825741.6610.0360.030Table 4 attracter election algorithm for Bidirectional Ring4.2 Leader election algorithm for Mobile Adhoc NetworksA mobile ad hoc network is dynamic in nature. It is composed of a plant of peer-to-pe er nodes, that exchanges the learning within the network through some radiocommunication channels directly or through a series of such links. A node is independent to hightail it a bend as there is no decided final topographic anatomy. The nodes move freely in a geographical reach and are loosely bounded by the transmission range of these wireless channels. Within its transmission range, a mobile node communicates with a muckle of nodes thus implying all of them have to be in a network. These set of nodes are also known as the neighbors of the communicating node. The mobile nodes act as intermediary routers to direct the packets between the source and the destination nodes (i.e., the set of neighbors). A node is designated as a leader to coordinate the information that brings to be exchanged among nodes and to be in charge of their data requirements. The identification problem of a leader is termed as the leader election problem.Why do we need to select this leader? When the nodes are set out, they form an adhoc network between them within which the whole communication finds. If the topology of the network changes dynamically, a node may suspend its communication with the old node, just like in distributed networks. So there has risen a need for a leader so that the maintenance of the network and the clock synchronization within it can be done. Also a new leader has to be chosen every time the members of the group are getting updated while communication is taking place.When the communicating nodes move freely and if they are not within the transmission range of each other, then the wireless network fails . Similarly the formation of wireless links happen only when the nodes which are separated and are too far and to communicate, move within the transmission range of one another. The network topology may change rapidly and unpredictably over time since the nodes are mobile. So developing efficient distributed algorithm for adhoc networks is a challeng ing work to be done. The largest identity node is chosen to be the leader using token(prenominal) wireless messages in this approach. A mobile ad hoc network can be considered as a static network with frequent link or node failures, which can be thought of as a mobile node of an adhoc network going out of reach. To cover all the nodes in the network we use the diameter concept. While distance is set forth as the shortest path between the nodes, diameter is defined as the time-consuming distance between any two nodes in the network. The number of record hop result be the interpreted for measuring the distance and the assumption is that the network becomes stable subsequently a change happens during leader election process and there are only a limited number of changes in the network.A network having N nodes are considered here. Since the topological changes are considered during the leader election, this algorithm takes more than diameter rounds to terminate. If however, the top ological changes are not considered diameter rounds are taken to elect the leader. We have used the algorithm mentioned in 3An Efficient Leader Election Algorithm for Mobile Adhoc Networks Pradeep Parvathipuram1, Vijay Kumar1, and Gi-Chul Yang2 for implementing it with the MPI.Leader ElectionEach node parcel outs its unique identifier to its neighbors and a utmost identifier is elected as a leader in every round. This maximum identifier is propagated in the subsequent rounds. All the rounds need to be synchronized. idlist (i) identifies identifier list for node i, which consists of all the neighbors for node i. Lid(i) =max(idlist(i))TerminationAt (rounds = diameter), for each node i, If all identifiers in idlist are the same(i) the node i stops sending the maximum identifier further and chooses the maximum identifier in the idlist(i) as the leader. The algorithm gets terminated if for each node i the elements in idlist (for each node) are the same. The termination may not be at th e final part of the diameter rounds, If all identifiers in the idlist as the leader.ALGORITHM 3Each node i in the network has two componentsa) idlist identifier listb) Lid(i) leader id of node i.1) Each node say node i transmits its unique identifier in the first round and Lid(i) in the subsequent rounds to their neighbors and all these ids will be stored in idlist. Lid(i) = max (idlist(i))2) A unique leader is elected in diameter rounds, if there are no topological changes in the network. The algorithm is modified to incorporate topological changes in between the rounds and below is the description of howthe algorithm is modified.Case 1If a node has no outgoing links then lid(i) = iCase 2If a node leaves between the rounds, then the neighbors would know this. Suppose node i leaves the network after round r and let its neighbors be j and k. neighbors of i (i.e. j, k).1) edit (ilist, idlist(j k)) // delete ilist from idlist ilist contains the group of identifiers that node i has sent to its neighbors before round r along with i The ilist information is also deleted from all the neighbors of j and k if the ilist identifiers have been propagated in the previous rounds. This process continues until all the nodes in the network are covered.2) Repeat while (round = diameter), //Termination conditionCompare all the identifiers present in idlist(i) for each node i. If all the identifiers in idlist(i) are equal, node i stops propagating its maximum identifier and elects the maximum identifier as the leader.Case 3If a new node i joins the network in between the rounds say round r then the neighbors will update its idlist.1) If neighbors of i say node j is the neighbor for node i. Add (i,idlist(j))The normal algorithm continues (the ids are propagated), nodes keep exchanging the information till diameter rounds.2) Repeat while (round = diameter),For all nodes in the network (node j) receives an identifier i at diameter round. IF i is greater than the maximum identi fier node j has propagated in the previous round (diameter-1).a) Propagate node i to all the neighbors of j.b) Also propagate the node i information to all the neighbors of neighbors i until the whole network is covered, if the above condition satisfies.Else do not propagate the information to nodes in the networki) Compare all the identifiers present in idlist(i) If all the identifiers in idlist(i) are equal, node i stops propagating its maximum identifier and elects the maximum identifier as the leader.ii) All nodes in the network follow this process and a unique leader is elected connected component.The time taken for the algorithm to elect a leader will be O (diam + t) where t is the time taken for all the nodes to converge and t depends on the topology changes.Message complexityThe message complexity of this algorithm depends on the number of rounds. In each round it sends 2N messages if we consider a ring topology as every node has 2 neighbors. So message complexity is 2N* No. of rounds. This algorithm is implemented using MPI and the message complexity and time complexity given by the MPI program isNo.of processesMessagesReal timeUser timeSystem time5301.1870.0230.022101201.3010.0260.024152401.4210.0300.027204401.5410.0320.029256501.7520.0370.031Table 5 Leader Election Algorithm for Mobile Adhoc Networks5. SimulationsMessage Complexity with respect to number of processesTimeNo.of Messages TransferredSnoAlgorithmN=5N=10N=15N=20N=25N=5N=10N=15N=20N=251LeLanns1.1951.2921.4461.5511.654251002254006252Chang Roberts1.1891.2991.4121.5311.659192939493Bidirectional Ring1.1861.3021.4171.5341.66114294459744MobileAdhoc1.1871.3011.4211.5411.75230120240440650The message and time complexity of each of these 4 algorithms for different number of processes is implemented in our programs and the results are as shown in table 6.All the above simulations are plotted on the graph so as to analyze the way different algorithms message complexity varies with the number of proces ses on which it executes.6. ConclusionsTable 6 Simulation ResultsComparing the results, we can conclude that the Lelanns algorithm is the most fundamental algorithm and requires large number of message exchanges among the four algorithms. Changs and Robert algorithm madeconsiderable changes to Lelanns algorithm however in the worst case that algorithm also requires O(N2). For leader election in ring topology these are the two unidirectional algorithms that are to be considered.The bidirectional algorithm requires less messages than the worst case Changs and Roberts algorithm. It requires O(N logN) messages. It takes less time to find out the leader when compared to unidirectional algorithms since the messages are sent in both the directions. The final algorithm is put into effect for mobile adhoc networks and is run in many an(prenominal) rounds. The messages complexity depends on number of rounds. It guarantees that there is only one leader at a time but however it handles the pa rtition in the network and requires more number of messages .