The Interview Process Essay Example for Free

The Interview Process EssayThe Interview Process The purpose of this essay is to explain the opinion interview process. This essay provide feature an imaginary interview involving the client and helping process. The significance of the interview process initiates effective case management and entails focusing of the clients goals (Kyser, 2014). Alyssa is a teenage adolescent girl that was brought into the Juvenile Detention Center by the constabulary. The case jitney asks Alyssa to, please fill out the form in her office, so that she can assist Alyssa. She identifies that she likes to fight separate teenagers on the intake form. However, Alyssa does not discuss the current problem or issues that she is having. This interview goes from being geomorphologic to unstructured (Woodside McClam, 2013).The Beginning of the Interview Process The case manager using fact oriented questions be necessary. However, there may be challenges that the case manager has to experience to get Alyssa to open up. Important point the start of the interview helps to establish roles between the client and helper. For example, Alyssa could have been beaten up by the police that is why she does not want to talk. The technique that is used by the case manager in getting Alyssa to open up. Is she gives the client some time to need her thoughts and re-approaches her. The Middle and End of the Interview Process The middle of the interview helps to give clarification of Alyssas eligibility for services.For example, the case manager identifies Alyssas strengths. She asks her what sport are you advantageously at playing? Alyssa smiles and says she loves basketball, focusing on the clients strengths helps her to open up more. In the closing of an interview summarizing important factors, for example, the problems Alyssa is experiencing, and the services that the agency provides are compatible. The case manager issues her a homeworkassignment. For example, Alyssa is identifying stren gths on the homework assignment (Woodside McClam, 2013).Discussing ConfidentialityAlyssa is showing concern about who will view her record. The case manager explains that she knows loneliness is important to Alyssa. The supervisor, consultant, and other staff who are working directly with Alyssa cannot view her record without her signed consent. In explaining to the client there are exceptions in cases of speck where information may be shared without her consent. For example, suicide, homicide or other life-threatening situations (Woodside McClam, 2013). Strengths Based Approach Maintaining a plan for Alyssa is focusing on her strengths. This approach will keep her out of trouble and off the streets. For example, social support a referral to (PAL) Police Athletic League will help Alyssa get into basketball. The possibility of her getting on a team is positive.Another resource that will be helpful for Alyssa is that she receives wrap around services, which is team collaboration ( Woodside McClam, 2013). Active Listening, Questioning and Paraphrasing passim the interview, active listening skills from the Probation Officer is necessary to understand and identify the source of Alyssas problems. Questioning skills, for example, not talking in big words. For example, Do your parents have efficacious custody of you? Alyssa the client may not understand this question. Paraphrasing this question Do you live with your parents or family member? Is more understandable for Alyssa to give a receipt (Woodside McClam, 2013).Responding Skills, Minimal Responses including Reflection Clarification Responding skills are important in the intake interview Alyssa identifies she likes to fight other teens. The Probation Officer recognizes the body tone Alyssa is giving throughout the interview. Alyssa is giving minimal answers to the questions nodding her head but she is still participating in the interview. In the reflection of Alyssa and the interviewer, Alyssa is asked a question What makes you want to fight other teens? The case manager observes Alyssa throwing up her hands in the interview. The case manager uses reflection and says, Alyssathis must be difficult for you did someone upset you. Alyssa you must be wondering what to do? In this case summary recording is applicable to this scenario.Summary recording is an organized presentation of the facts from other types of reports (Woodside McClam, 2013). In summary, this essay features a discussion on confidentiality with the helper and client. Also, a strengths-based approach was used to support the client Alyssa. The case manager uses active listening skills and questioning skills. This article also features the responding skills, and minimal responses, paraphrasing, reflection, clarification, and summarizing. The significance of the interview process initiates effective case management and entails direction of the clients goals in the development of an action plan (Kyser, 2014).ReferencesMcCla m T., Woodside M. (2012). The helping process judging to termination. Belmont, CA Brooks/Cole. Retrieved from https//ecampus.phoenix.edu/content/eBookLibrary2/content/TOC.aspx?assetdataid=16dadd99-b53a-4b19-a45f-7ce6f70028eeassetmetaid=a02855d0-0de3-43da-8bc7-a71bd2b42307

The Four Causes of Aristotle Essay Example for Free

The Four motilitys of Aristotle EssayAristotle, be the first historian of philosophy, categorized his predecessors fit to how theyve answered the central questions of the human mind the question of the first linguistic rule of both things. It is otherwise known as the Four Causes. He defined science as knowledge through grammatical cases. This doctrine of authors is scattered in different Aristotelian treatises but have its highlight in his book Metaphysics.This principle of causality is an substantive part of Aristotelian thought. In his mind, Aristotle argued that events happen for a cause which will explain its origin, end and the way it came to be. For him, everything that comes to be is due to causes. He criticized his predecessors for their not having clear explained the why of this, that, and so on. Chance, mythology or fortuitous events are not sufficient enough to solve the problem of cosmology. These causes are divided into four distinct types.He developed th is principle from the standpoint of being. For this reason, the basic Aristotelian division is surrounded by actual and potential causes, contrary to the traditional division made by the scholastics between intrinsic and extrinsic. As for the actual cause, there is the white-tie, efficient and final causes and for the potency only the material cause in the traditional scholastic division, material and formal causes made up the intrinsic cause while the remaining two makes the extrinsic cause.Each of these causes can be shortly defined as follows1.Material Cause is the constitutive element from which something is made from. 2.Formal Cause manner the form of something, it is what determines its essence to be what it is 3.Efficient Cause is the being who made that something.4.Final Cause is that for what sake something exists, it is what constitutes the perfection of the being . In other words, it is the purpose of that being. The final cause is the summation of all other causes it is where every other cause can be founded. Cause means (1) that from which, as immanent material, a thing comes into being, e.g., the bronze is the cause of the statue and the silver of the saucer, and so are the genera to which these things belong.(2) The form or pattern, i.e., the definition of the essence, and the genera which include this (e.g., the ratio 21 and number in general are causes of the octave), and the parts included in the definition. (3) That from which the change or the resting from change first begins e.g., the adviser is a cause of action, and the father a cause of the child, and in general the maker of a cause of the thing made and the change-producing of the changing. (4) The end, i.e., that for the sake of which a thing is e.g., health is the cause of walkingAs mentioned earlier, Aristotle classified earlier philosophers by what kind of cause is their philosophy. We can classify Thales, Anaximander, Anaximenes, Heraclitus, Anaxagoras and Empedocles in the mat erial cause. These philosophers, though differing in opinion of the patriarchal principle of all things, emphasized the constitutive element of everything.Thus, they are rightly to be numbered in the material cause. The water of Thales, the air of Anaximenes, fire of Heraclitus, the atoms of Leucippus and Democritus, the Homeomeries of Anaxagoras, the four elements of Empedocles and the apeiron of Anaximander ( he Anaximander said that the principleand the constitutive element of the things that exist is the apeiron. He was the one who first designated the material principle of all things by this name ) are all essential element of everything for these philosophers, may it be by some other cause or not.For the formal cause, we can only classify only three pre-Socratic thinkers, Pythagoras, Parmenides and Anaxagoras. By formal cause, we mean that it pertains to the form of everything. Let us try to briefly examine each of these philosophersThe Pythagoreans have thought that the fir st principle is Numbers their inclination of Numbers is different from ours. For them, numbers have resemblances from everything. Musical harmony for example, could be reduced to a set of numerical relations. Natural phenomena followed an order ewhich could similarly be monetary standardd numerically the duration of the year, the seasons, the length of the day, etc.Parmenides, on the other hand, thought of the being as the principle of everything. One statement simply expresses the road to follow being is . His being is univocal it can only be apprehended by the intellect. He denied the existence of change, therefore, making his being as something permanent, unchangeable, immovable. It cannot cause something for it will mean to cause a change, thus, we cannot classify being as an efficient cause. Rather we classify it to the formal cause for his being underlies everything, it is real in everything.Lastly, Anaxagoras, though numbered earlier among the material philosophers, can also be classified in the formal cause. Because of the multiplicity of substances, he concluded that the first principle (in his case his Homeomeries) must, in a way, embody all things in itself.We can also enumerate Anaxagoras and Empedocles in the efficient cause. Let us examine how this had happened. alongside his Homeomeries, Anaxagoras added another principle, the Nous (Intelligence). It is eventful to bear in mind, that the Nous is separated from matter. It merely starts the cosmic movement from where everything starts to differentiate from one another. Its movement determines the diverse resemblance of Homeomeries in each thing. Thus making reason deus ex machina The Intelligence ordains everything that is brought into being those things that existed in the past and exist in the present and exist no longer, those that exist in the present and those that will exist in the future.Empedocles is another philosopher with an efficient cause. Because of the influence of Eleatic philosophy, he is forced to search for another cause withal the material principle in order to salvage the world of phenomena. He put Love and Hate as the efficient cause that unites and separates the four elements. period love brings forth together, hate separates. There is a perpetual alteration of dominance between those two this cycle dictates corruption and generation. Things never cease to change, sometimes uniting with one another through Love and at other times, separating themselves from one another through the divisiveness of DiscordThe final cause the most important of all the causes. In this category we can classify the sophists and Socrates. They have put man as the measure and end of all things. The final cause is for man. edification ushered a new era in philosophy as a whole, this age turned to man for the first time. Everything belonged to man. Though sophism had been degenerated into apparent light , with it still came the time where man has been the focus of p hilosophy. His end and his goodness is the final cause of everything. Protagoras, most famous of the sophists argued that man is the one who determines everything, even truth. This relativism of Protagoras is because he found his knowledge exclusively on senses which are constantly subjected to change. This can be summarized on his words in the introduction of On Truth Man is the measure of all things things which exist insofar as they exist, things which do not exist insofar as they do not exist.Socrates, the one who called philosophy from heaven is the firstly philosopher of the final cause. For him the most important thing is for the benefit of the human soul, ergo, knowing the good. For him the soul is the center of moral life. He identified virtue as knowledge, the mainspring of all other virtues. For him, only in ignorance does one commit sins. In Socratic thought, human dignity has been raised that all things are for the good of his soul.These four causes of Aristotle gave a very clear view of the improvement of ancient Greek Philosophy, from its coldest principle for all things to the warmest humanistic approach. I am in a position with Aristotle concerning these causes. As for me, the causes clearly demonstrate the history of Greek Philosophy from the pre-Socratics up to Socrates.

Shots at Fortune and Life Essay Example for Free

Shots at Fortune and Life EssayVery few people get a shot at Fortune and Life but Margaret Bourke-White simply snapped her fingers and got into both. This genuinely attractive and talented characterizationjournalist made her name in the industry through her pictures for Fortune and Life Magazine. nutrition during the era when journalism was still way ahead of video productions, her photographs told much of a story with a shot from her lens. Margaret Bourke-White was born on June 14, 1904 in the Bronx, refreshing York to Joseph White and Minnie Bourke. Joseph was of Polish-Jewish background while Minnie had Irish-English blood. (Women in History) Her parents were both believers of a religion called Ethical Culture which was a form of atheism. Ethical culture was very wet to the point that it only allowed sexual intercourse between married couples for the sole purpose of creating children. (Goldberg 1986 pp. 4-5) In adherence to its philosophies, the couple brought up their ch ildren in a mentally stimulating and moral home. (Keller 1996 pp. 8-9) Mr.White was an engineer who was able to develop many versions of printing presses while his wife was totally dedicated in nurturing their children. Minnie was a very strict mother. She limited the childrens exposure to fried food and funny papers. Joseph, on the other hand, was an amateur photographer who was able to pass on his warmth for still pictures to his daughter. Margarets passion for photography began when as a child of eight years, she went with her father to watch the manufacture of printing presses.The marvel of seeing liquefied iron being poured captivated the photographer in her. (Margaret Bourke White par. 1) However, her total absorption into photojournalism was still far behind her mind. She began her college years in 1922 at clean Yorks Columbia University in a course for herpetology which is the study of reptiles. However, she met Everett Chapman, an engineering graduate student and got mar ried in 1925. The marriage ended in disjoin a year later which was also the time she decided to incorporate her mothers last name into her own.(Margaret Bourke-White Biography 2007 par. 2) She became the student of Clarence White, a cognize photography instructor which sparked her interest enough to leave herpetology. She switched courses and schools several times before she finally graduated in 1927 at Cornell University. (Bois 1997) She opened her own photo studio after college at Cleveland wherein she specialized in architectural photos of industrialization. At that time, Cleveland was enjoying industrial progress and she marveled in taking pictures of this era which can be considered as symbols of economic prosperity.She romanticized the power of machines through close-ups, dramatic cross lighting and unusual perspectives that gave people a different view of industrialization. (The Photography of Design 2004 par. 5-6) Her pictures got the attention of long-familiar publisher, Henry Luce. By 1929, he was able to get her to shoot as staff photographer for the first issue of Fortune Magazine. The assignment was a gruelling one that had to focus on Swift and Companys hog processing plant but her perseverance to be the best made her mop up the job well.(Cox 2003) By 1936, Luce introduced the first issue of Life Magazine. The front page photo of Fort Peck Dam that at that time was still to a lower place construction was shot by Bourke-White along with her essay inside. Fortune and Life magazines gave her numerous opportunities to see the world for various photo assignments. She was able to capture photos of valet War II in Europe including Nazi camps, Mohandas K. Gandhi, the Korean War and the social unrest in South Africa. (Lee Gallery par. 1)

About Leadership In Sport And Leisure Sport Essay

About leading In gasconade And Leisure Sport EssayDo not forget that you are necessitated to glide by a copy of all of your submitted work.I certify that this assignment is my own work and that all sources of information put bingle and only(a) across been acknowledged.This report critically analyses the role of leaders to managing people in sport and leisure organisations. It uses critical thinking methods to demonstrate the definition of lead, the piece resource centreing in sport leisure organisation, the discrimination between management and leaders and or so key theories of leadership. Finally, it analyses to analysis a font studies through one practical sports organisation as example. The propose is to drop logical recommendations for improving the fitness club management ideas to build a strong cohesion and loyalty of staff ranks high.The Definition of leadersLeadership was delimit by Parry (1996 2) who stated that Leadership is the presentation by a soul of some identifiable tendency or vision or future tense state that people terminate desire and the generation of a willingness within those people to follow the leader a bulky a socially responsible and in return beneficial course of action, toward thatgoal. This concept of leadership seemed ambiguous it did not emphasis the persuasiveness of leadership and major characteristics. Leadership probably means having a long term vision and to stimulate the people follow he or she to achieve their universal goal for the companys future development. Strange and Munford (2002) believed that the direct leadership comes from the in-person charismatic leadership this could be the best way to influence and motivate people. Therefore, Wunderer and Grunwald (1980 232) defined leadership as a goal-oriented and social impact to fulfill common tasks in a structured work environment. Be ready of many kinds of notions about leadership, it always led to confusion between leadership and management. As far as this floor is concerned, the following essay will research the role of leadership in an essential position in the management environment. Simultaneously, it will evaluate the process of human resource management. Human Resource Management Human Resource Management system plays a significant role in a company or organization. It directly impacts on this organizations strategic implementation in each step and controls the speed of development with their competitors in the same sphere. Heathfield (2010) proposed that Human Resource Management (HRM) is the theatrical role within an organization that focuses on recruitment of, management of, and providing direction for the people who work in the organization. Human Resource Management can also be performed by line managers. Moreover, in the past in USA, HRM concentrated on the human relations in the enterprise management and employees relations in the works environment Due to industrial psychology, it applies consolidated sy stems and strategies commonly, HRM was also fancyed as personnel management (PM) in the UK (Chadwick and Beech, 2004). According to the above statements, it was obviously seen that a manager was caboodle in a core position in the HRM system. The mangers main responsibility was to deal with issues related to people, such as recruitment, to choose who the near appropriate person for this vacancy is. As Taylor et al (2008) give tongue to the HRM system was the prototypical level of administration in people management system, piece encouraging more(prenominal) than organizational activities. How can we evaluate the organization owns a good HRM system or not? It focuses on the Strategic Human Resource Management (SHRM) system. Operational effectiveness and strategic positioning were two fundamental methods to support the organization in outperforming their rivals in an industry (Porter, 1979). These two points could stimulate the organization have to perform discover activities than new(prenominal) competitors and create some unique advantages in the same industry. However, Taylor et al (2008128) commented that a focused strategy requires a competitive position based on cost leadership or differentiation.Wright and McMahon (1992 295) gave a definition of SHRM as, the pattern of planned human resource deployments and activities intended to enable an organization to achieve its goals. The purpose of SHRM was to choose the best appropriate candidate take part in their own organization whilst increase the organization marketing segment in the industry. Sport organization was a good example, each sport clubs would like to attract a famous coach or ath allowe, like in National hoops Association (NBA). There was no doubt that NBA draft was the best opportunity to provide for each team to choose a likely player in every year. However, in the practice of organization, SHRM system did not only focus on some basic HRM skills, but also extended the range of german e(predicate) management techniques, for instance, high-commitment work system, the process of recruitment, leadership philosophy and the development of process of the organization (Taylor et al, 2008). In brief, the present approach of SHRM still in the traditional HRM mountain chain it lacked practical circumstance for an organization to start their performance in different situations. Particularly in a sport organization, if it could combine the HRM rational hypothesis and operate the SHRM in a practical process of organization, it would bring more outcomes for the organizations long term development. In addition, managerial leadership was an indispensable part in the SHRM. Hence, the following part of the essay will look at the residues between management and leadership.Differences of Management and LeadershipRegarding the issue about kinship and the distinction between management and leadership, different people will have their different perspectives. In the early stage, a professor named John Adair (1988) made use of etymological origins to explain the difference in a magazine interview Adair revealed that leadership stems from an Anglo-Saxon word it means that a road, a way, the path of a ship at sea, a common sense of direction, whereas management was from a Latin word manus, it means a hand and it has to do with handling a sword, a ship, a horse. It is easy to remind people what entrepreneurial engineers and accountants were doing when starting and administration businesses and how they gained the currency in the 19th century. Nevertheless, since the leadership development in recent years, more functions have been appeared, such as planning, organizing and controlling work. These functions are similar to the functions of management in my view. Managers always elucidate a plan, organize the activity and administrate the limit resources to move in some common objectives (Gill, 1997). Meanwhile, managers could communicate with his or her employees , but leaders usually influence and inspire his or her employees. Behind each leader thither is a support team and followers, however, managers just have their subordinates. In my opinion, management focuses on implementing the whole plan through the managers ability and making the utmost of the managing resources, whereas leadership emphases the some(prenominal)(prenominal) persons idea and imbues with the main spirit to their employees. In brief, the final goal for good management or leadership is to win the hearts and minds of their people. Leadership TheoryLeadership was deemed as a process of a leader to impart unique ideas to early(a) people through his or her individual managing strategy. Popper and Zakkai (19943) believed that the essence of leadership is to make people do what you want them to with as much will, determination and enthusiasm as if they had decided for themselves. From the past several years research, leadership literature in the main focuses on which typ es of leadership speculation is close and more appropriate for present leader to exert their leadership function. Lewin et al (1939) implied that the subordinates performance decides which kind of flavor of leadership theory fits this organization furthermore, different kinds of training programmes related with leadership have emerged. Notably in the current situation, outward bound development plan is the most popular approach was adopted in most organizations. The rest of this report will review some major theories of leadership and the purpose is to analyses of the real case in the last part then to propose some recommendations for improvement. l Trait TheoryLeadership traits theory is the original theory and it concentrate on the leaders characteristics. Cartwright and Zander (1968) stated that an effective leader should possess the following certain qualities intelligence, reliability, sense of responsibility, greater energy and social activity. Regarding these qualities it is easy to find that most of them require the leader to keep on cultivating himself in the future not are inborn. The Personality Era of Great Man theories were proposed by Van Sters and Field (199029) who said that effective leaders at one time were believed to show common characteristics that cause them to behave in certain ways. However, this theory was challenged in the 2000 World scotch Forum report. The report indicated that many successful companies always change their Chief Executive Officer (CEO) to ensure that their business prospers. Whereas most CEOs succeed in their first organization, they often fail when enter for a new organization. This point demonstrates that in fact the leaders have not acquired all the leadership traits and that is little tie-in between CEO style and organizational performance. Also the trait theory was not to judge the leadership situation. l Situational Leadership and Contingency TheorySituational theory is more focused on the situation and the group of followers. This way is more practical and good for the leader to acknowledge their followers and situations. This approach does not consider the whole organization or the current requirements of the individual leaders group. Contingency theory of leadership mainly analyses three factors between leaders and followers. The first one is Fiedler (1968), who proposed the extending definition of the followers and of the work structure of the subordinate. The second one is how the leader uses his or her authority and depends on his or her subordinates. The third one is the existing relationship between the leader and followers. The leaders charisma attracts the followers and the followers reverence for the leader. l Leadership Style TheoriesLeadership style theories are concerned with the leaders behaviour and do not pay attention to the individual characteristics of the leader. Through these theories, some researchers discovered that the manager who considers the employee as the centre may gain more results and effects than the manager who focuses on tasks. This point is evaluated by the leaders performance value. If the leader views the situation from the perspective of a boss, he or she priorities the tasks above the employees. However, if he takes the employees view into consideration, he or she values both the task and the employee. So the later approach is more encompassing. Of course, as a leader, pay more attentions on the employee behaviour can bring his or her work more benefits than only concern with the task as a centre. l Transactional LeadershipThis kind of leadership turns out to be more popular in most organizations. Popper and Zakkai (19946) accepted that transactional leadership contains a basic mechanism of exchange relations which becomes possible when there is no outstanding sense of impending threat or anxiety. Transactional leaders shall use management-by-exception, actively or with contingent rewards (Gill, 1997). Generally, the mana gement-by-exception includes making objectives and regulations, taking presence of the progress and discovering mistakes and then enhancing the effectiveness of leadership. However, transactional leadership ignores the employees desires and motivation it focuses on how to achieve the goal through the followers. Many empirical examples prove that transactional leadership might cause performance that meets expectations (Gill, 2003).l Transformational LeadershipThis pattern of leadership is a good approach in order to stimulate the followers and subordinates interested in accomplishing the goal and enhance their self-development. Alderder (1972) agreed that transformational leadership should pay more attention to the leaders developmental requirement. Furthermore, Bass (1991) revealed that there exist the following four aspects of transformational leadership behaviours. secern consideration Intellectual stimulation Inspirational motivation Idealised influence (charm) Analysis of a Practical Sports Organisation ExampleDuring a period as a sports trainee in Beijing, an example of a process of leadership change was witnessed by the author. This fitness club was set up in 2003 and it was been open for 5 years. In the early period, the former fitness club managers original plan was run a small business and serve whiter collar workers and students around the university. Hence, his focus point is how to attract more customers and increase sale volume rather than make an integrated management system for his subordinates to enhance the whole level of this fitness club service. He is a typical laissez-faire leader in the hearts of his employee. Popper and Zakkai (19943) claimed that an effective leader, according to the criteria of this approach, is a sensitive psychological diagnostician who accurately discerns subordinates call for and expectations and responds to them accordingly. In addition, his behaviour assesses the various theories. When the employee proposes their suggestions or questions during each weekly meeting, the leader always says these opinions were correct but never realizes it. In terms of this point, several senior level coaches began to leave whilst some old customers also followed by their coach left this club. These results led to the club faceing bankrupt and merger by other large fitness corporation. In 2005, this fitness club was taken over by the Bally Total Fitness Corporation. As the new leader was transferred to this club, he brought a totally new management system. He used transformational leadership theory, through exploiting subordinates intellectual stimulation and inspirational motivation to improve employee vision. Transformational leadership is more important when the company faces uncertain markets. A new recombination has to be innovated to remain in the competitive environment (Gill, 1997). First of all, he reformulated the current staff while reducing the number of staff. Second, he advised each coach to take ACE (America Certificate Exercise) certificate to make use of their personal time. Third, he added some new reward regulations, such as providing a free nutritional breakfast for early morning shift employees. Furthermore, the company will organize one outside sports event consisting of employees and their family members to join in each year on anniversary day. Apart from these, to keep more regular customers and attract more potential customers, he adopted some kinds of exercise classes especially arranged different coaches for different ages. Another side is, he is a patient person who can listen to each employees suggestions about the club development and communicate with his employees frequently. For instance, one employee proposed that the club could publish their own health tips each month focus on their current membership. After one month, this was realized and clubs first month health tip flyer was put up in the club information bar. The theory of motivation, Horner (1 997) stated that the degree of satisfaction of employees could be thought of as motivators only one motivation the employee could achieve the goal. Others motivation theories were concerned with what behaviour the leader needs to influence their subordinates. Apart from that, Alderfer (1969142) proposed that there may be only three needs existence needs, relatedness needs and growth needs in a pecking order of concreteness, and people may be motivated by multiple needs at any one time.Since this new manager uses a logical leadership management method, it results in revenue fitness club turn flourishing and the scale began to extend. Of course, the marketing share also rank at the top compared with other competitors. However, the most essential reason is the new manager used a correct leadership theory and rationally applied the realization. ConclusionTo sum up the role of leadership in a sport and leisure organizations, the leaders behaviour could influence each subordinates psycho logy, the leaders management method decides the companys development mode to success or failure. Through the authors experience of two leaders behaviour in a real sport and leisure organization, how to create more motivations for their employees, how to push their employees are more important and practical than only depend on some formal traditional leadership theories. The significant value for the leader is to let the subordinate follow your path of company development. Consequently, discovering more new management techniques from experience are the most effective ways to manage modern organizations. referAlderfer,C.P. (1972). Existence, Relatedness and Growth, Human Needs in Organizational Settings, New York, The Free Press. Cartwright,D.C. and Zander, A., (1968). Group Dynamics. The 3rd edition., London, Tavistock.Chadwick, S and Beech, J. (2004). The Business of Sport Management. Harlow, Prentice Hall.Fiedler, F.E., (1968). Group Dynamics. 3rd edition., London, Tavistock.Par ry, K. (1996). Transformational Leadership. Melbourne, coal miner Publishing. Taylor et al. (2008). Managing people in sport organizations A strategic human resource management perspective. Oxford, Butter worth- Heinemann. Wunderer, R. and Grunwald, W. (1980). Fuhrungslehre Grundlagen der Fuhrung. Berlin, Walter de Gruyter.Alderfer, C.P. (1969). A new theory of human needs. Organizational port and Human Performance, 4, 142-175.D.A. Van Sters and R.H.G.Field (1990). The evoluation of leadership theory. Journal of Organizational Change Management, 3(3), 29-45. Grill, R. (1997). New Directions in Leadership. Leadership Trust Foundation, 16 March, 1994.Grill, R. (2003). Towards a General Theory of Leadership. Leadership Trust, 31 January, 2003. Horner, M. (1997). Leadership theory past, present and future. Team Performance Management, 3(4), 270-287.Lewin, K et al. (1939). Patterns of aggressive behaviour in experimentally created social climates. Journal of Social Psychology, 10, 271-3 01.Popper, M. and Zakkai, E. (1994). Transactional, magnetised and Transformational Leadership Conditions Conducive to their Predominance. Leadership and Organization Development Journal, 15 (6), 3-7.Poter, M.E. (1979). How competitive forces shape strategy. Harvard Business Review, 57(2), 137-145.Strange, J.M. and Mumford, M.D. (2002). The origin of vision charismatic versus ideological leadership. The Leadership Quarterly, 13, 343-77.Wright, P.M. and McMahon, G.C. (1992). hypothetic perspective for strategic human resource management. Journal of Management, 18 (2), 295-320.Heathfield, S.M. (2010). online. Last accessed 23 March 2010 at http//human resources.about.com/od/glossary/f/hr_management.htm.

Distance Measurement Using RSSI Method in WSN

Distance Measurement apply RSSI system in WSNDistance Measurement Using RSSI Method in radio receiver demodulator NetworksAkhand Pratp Singh, Devesh Pratap Singh, Santosh KumarAbstract. RSSI method gives hold pulsement among beacon inspissations and unknown inspissation. RSSI is Range-based location principle depends on the assumption that the absolute standoffishness between a organiseer and a receiver can be presaged by one or more features of the communication forecast from the sender to the receiver. RSSI measurement is non more relevant because the RF ratify is affected by the environment, the exact surmount between the leaf nodes cannot obtain by RSSI measurement by RSSI.Keywords Received mansion Strength indicator method, RSSI method, Distance Measurement by RSSI.Introduction piano tuner detector Networks can be generally defined as network of nodes that hand and glove sense and control the environment enabling interaction between persons or raters and th e surrounding environment. WSNs argon mostly used in military surveillance, industrial crop control and environmental monitoring. thickener localization is a big problem of wireless sensor networks applications 1.According to estimation of node localization 23, the localization algorithms3 can be divided into two categories range-based and range-free. Range-based method calculates the localization between neighboring sensors. Several ranging techniques are possible for range measurement, such as time of arrival, time dispute of arrival, angle of arrival, or the receive signal potentiality indicator (RSSI) 3. Range free techniques solution depends only on the contents of received messages, which does not estimate the distance or angle between the nodes. Typical range-free localization algorithms 7 included Centroid, DV-Hop, Amorphous, MDS-MAP14 and APIT, and so on 3. Localization algorithm 7 based on range-based has higher the true but requires additional hardware on sensor node s.Localization of Wireless Sensor NetworksLocalization 8 is the process by which sensor nodes determine their location. In uncomplicated terms, localization is a mechanism for discovering spatial relationships between objects. The various approaches taken in literature to solve this localization problem differ in the assumptions they specify about their respective network and sensor capabilities. A detailed, but not exhaustive, list of assumptions made include assumptions about device hardware, signal propagation models, measure and energy requirements, com note of network via homogeneous vs. heterogeneous, operational environment via indoor vs. outdoor, beacon density, time synchronization, communication costs, error requirements, and node mobility 9. Localization of WSNs is classified in two approaches 5.Direct ApproachesThis is also known as absolute localization. The direct approach itself can be classified into two types Manual configuration and 8GPS-based localization 5. Th e manual configuration method is very cumbersome and expensive. It is neither practical nor scalable for large scale WSNs and in particular, does not adapt wellhead for WSNs with node mobility. The GPS-based localization method, apiece sensor is equipped with a GPS receiver. This method adapts well for WSNs with node mobility 6. However, thither is a downside to this method. It is not economically feasible to equip each sensor with a GPS receiver since WSNs are deployed with 100 of 1000 of sensors. This also increases the size of each sensor, rendering them unfit for pervasive environments. Also, the GPS receivers only work well outdoors on earth and have line-of-sight requirement constraints. Such Wireless Sensor Networks cant be used for underwater applications kindred home ground monitoring, water pollution level monitoring, tsunami monitoring 5, etc.Indirect ApproachesThe indirect approach 5 of localization is also known as relative localization 4 since nodes position themse lves relative to other nodes in their vicinity. The indirect approaches of localization were introduced to overcome some of the drawbacks of the GPS-based direct localization techniques 9 while retaining some of its advantages, like accuracy of localization. In this approach, a small subset of nodes in the network, called the beacon nodes, are either equipped with GPS receivers to compute their location or are manually configured with their location. These beacon nodes whence send beams of signals providing their location to all sensor nodes in their vicinity that dont have a GPS receiver. Using the transmitted signal containing the location information4, sensor nodes compute their location. This approach effectively reduces the overhead introduced by the GPS-based method. However, since the beacon nodes are also operating in the same hostile environment as the sensor nodes, they overly are vulnerable to various threats, including physical capture by adversaries. This introduces n ew security threats concerning the honesty of the beacon nodes in providing location information Since they could have been tampered by the adversary and misbehave by providing incorrect location information. Within the indirect approach, the localization process can be classified into the following two categories.A. Range-basedIn range-based 5 localization, the location of a node is computed relative to other nodes in its vicinity. Range-based localization depends on the assumption that the absolute distance between a sender and a receiver can be estimated by one or more features of the communication signal from the sender to the receiver. The accuracy of such estimation, however, is subject to the transmission sensitive and surrounding environment. Range based techniques usually rely on complex hardware which is not feasible for WSNs since sensor nodes are highly resource-constrained and have to be produced at throwaway prices as they are deployed in large numbers. Some range-bas ed localization techniques are as follows Angle of Arrival, Received Signal Strength Indicator (RSSI), Time of Arrival and Time Difference of Arrival. In this paper we are discussing about the RSSI technique 1215, RSSI technique does need require additional hardware, which depart not increase the hardware cost and the size of the nodes. However, due to RF signals influenced by the environment, the exact distance between the nodes cannot obtain by using RSSI 1011, so the localization accuracy of nodes are not high.B. Range-freeRange-free5 localization never tries to estimate the absolute point to point distance based on received signal strength or other features of the received communication signal like time, angle, etc. This greatly simplifies the design of hardware, making range-free methods very appealing and a cost-effective election for localization in WSNs. Typical range-free localization algorithms7 included Centroid ,DV-Hop, Amorphous, MDS-MAP14 and APIT,etc.Received Signal Strength Indicator (RSSI) Measurement PrinciplesRSSI measurement 3 calculates the signal loss in the scattering process with the theory or experience loss of signal propagation model and distance calculated between transceiver to receiver by path distance conventione. Some measure terms which are important role in RSSI measurement as followsPath Loss ModelPath loss models 3 are free space propagation model, the logarithmic distance path loss model, Hata model, etc. the logarithmic distance path loss model 3 is shown by formula (1) (1)Where d is distance from transmitter to receiver and its unit is km, n is path loss exponent that measures the rate at which the RSSI decreases with distance and the value of n depends on the specific propagation environment, X is a zero mean Gaussian distributed random variable whose mean value is 0 and it reflects the change of the received signal indicant in certain distance, d0 is reference distance and usually equals 1 meter, PL(d0) is a known reference power value in dBmilliwatts at a reference distance d0 from the transmitter.Received Signal Power at Reference distanceSuppose A is the received signal power in the distance d0 between trans- mitter and receiver, the formula (2) can be generated. (2)Where Pt is power of transmitter and PL(d0) is a known reference power value in dBmilliwatts at a reference distance d0 from the transmitter.Distance Calculated by RSSI measurement The RSSI Value at the certain distance is calculated by the given formula. (3)Where RSSI is the received signal power. A is the received signal power in the sdistance of 1meter,n is the path loss index and relates to the environment. Then we select maximum RSSI value and then we convert it into distance by given formulae. After calculating the RSSI values we can obtain the maximum value of the RSSI which is known as RSSImax. (4)Where RSSImax is the maximum received signal power selected from all the RSSI values. A is the received signal power in the distance of 1meter,n is the path loss index and relates to the environment.RSSI Measurement AlgorithmsWhen we go through the RSSI method then we have to go through the following step of the algorithms as followsResult and AnalysisOur simulation is done in 10m x 10m two dimensional environment. Node deployment accuracy is very important. 9 nodes are deployed randomly we can get their coordinate and count on one known node as unknown node and then we can find the distances, path loss, Gaussian distributed value 3.Figure 1 Random deployed nodeWhere + unknown node* Beacon nodeIn the simulation we assume (x1,y1) (3.4855, 2.7068) as unknown Node and further we calculate the distance, maximum RSSI value in Scenario of 9 node where one node suppose to be mobile6 by RSSI Method when n=2 ,A=8.4734 dBm and power loss at reference distance is 31.5266 dBm.Table1.Distance CalculationWhen we simulate we found that distance measure by RSSI principle is 1.5726 meter, but when we applied the distanc e formulae for the Coordinate we found that exact distance is 5.4825.So we found that there is measure margin of error.Figure2. Error in distance calculated by RSSIIn figure1 we can see that the distance calculated by RSSI is not accurate, because the error percentage is 71.35.ConclusionsLocalization performance will depend on many things, including the localization algorithm used, the quantity of prior coordinate information, the method selected, and the accuracies possible from those measurements in the environment of interest12. The RSSI measurement is studied in this paper, but this method is not more accurate because the radio frequency signals is affected by the environment1213, the exact distance between the nodes cannot obtain by RSSI measurement. observational measurement and simulation results show that the distance is obtain, but measurement is not accurate. The proposed method is a good option in wireless sensor node localization, because of low cost and less complexity of the simulation. In future we can work on improving the RSSI method for the more accuracy because sometimes there is problem of accurate distance and it depends only on the measurement parameter model. The result shows that in future if we work through the RSSI method for the specific scenarios like war (soldier) and forest fire then the method may provide the specific result and maybe there is need of some more approach in this proposed method because some time the result shown by experiment is out of bound so there is need of some more improvement.References1 Yick J., Mukherjee B. and Ghosal D., Wireless Sensor Network survey, ElsevierComputer Network, vol.52, pp. 2292 2330, 2008.2 Mao G., Bars F. and Anderson B.D.O.,Wireless Sensor Network Localization Techniques, Elsevier Computer Networks, vol.51,pp. 25292553, 2007.3 Zheng J., Wu C., Chu H. and Xu Y., An Improved RSSI Measurement In WirelessSensor Networks, Elsevier Procedia Engineering, vol.15, pp. 876 880, 2011.4 Patwari N., Aah J. N. and Kyperountas S., Locating the nodes cooperative localization In Wireless Sensor Network, IEEE Signal Processing Magazine, vol.22, No.4,pp. 54-69, 2005.5 Srinivasan A. and Wu J., A Survey on pay off Localization in Wireless Sensor Networks, Florida Atlantic University, USA.6 Amundson I. and Koutsoukos X.D., A Survey on Localization for Mobile WirelessSensor Networks,Computer Science,Springer,vol.5801, pp. 235-254, 2009.7 Han G., Xu H.,Duong R.Q., Jiang J.,and Hara T., Localization algorithms of WirelessSensor Networks a survey, Telecommunication Systems, Springer, vol. 52, Issue 4,pp. 2419-2436, 2013.8 Zeng Y., Cao J., Hong J, Zhang S. And Xie L., Secure localization and location veryfication in wireless sensor networks a survey, Springer, vol. 64, Issue 3, pp. 685-701,2013.9 Wei X. and Qi Y., Research on Some Key Techniques of Wireless Sensor Network,Electrical Engineering, Springer, vol. 127, pp. 255-260, 2012.10 Heo J, Kim J. H. and Hong C.S., A Logical Group Fo rmation and ManagementMechanism Using RSSI for Wireless Sensor Networks, Computer Science, Springer, vol. 5297, pp. 207-216, 2008 .11 Erdogan S.Z., Mobility Monitoring by Using RSSI in Wireless Sensor NetWorks,Computer and Information Science, Springer, vol. 90, pp. 572-580,2010.12 Adewumi O., Djouani K.,and Kurien A., Performance Evaluation of RSSI base Distance Measurement for Localization in Wireless Sensor Networks,Social Informatics and Telecommunications Engineering, Springer, vol.119,pp. 74-83, 2013.13 Ahn H., Lee Y.H., Cho H.J., Rhee S.B., and Lee J.H., A RSSI-Based Approach for Localization of Wireless Sensor Network in Indoor, Electrical Engineering, Springer, vol. 120, pp. 123-127, 2012.14 Miao C., Dai G., Mao K., Li Y., and Chen Q., RI-MDS MultidimensionalScaling Iterative Localization Algorithm Using RSSI in Wireless SensorNetworks, Computer and Information Science, Springer, vol. 501, pp. 164-175, 2015.15 Shen X., Wang Z., Jiang P., Lin R., and Sun Y., Connectivity and RSSIBased Localization Scheme for Wireless Sensor Networks, Computer Sci- ence, Springer, vol. 3645, pp. 578-587, 2005.

Most Influential Event in the 20th Century was the Cold War :: essays research papers

What event of the twentieth century, not 21st, has had the greatest impact on the world in which we live today? Justify your answer and describe the relationship between the event you choose and the current state of global affairs.The 20th century was arguably the most eventful span of a hundred years ever. Innumerable state of wars (Including two World Wars), countless inventions and discoveries, space explorations, great achievements, rest of various countries, have occurred during this span of time. I would pick out one such incident from the 20th century which has had a great impact- if not the greatest on the world. According to me, The Cold war which lasted for nearly forty-three years was a significant event in the 20th century. A lthough no official war was declared during this period of time between the United States of America and the then-U.S.S.R., it was a crucial face-off between these two superpowers to expand their influence over the globe.

Positive Feedback Loops in Early Human Development :: Environment Environmental Pollution Preservation

Positive Feedback Loops in Early Human DevelopmentThere is no doubt that technology facilitated human increment throughout history. However, what has been left largely untouched among the authors of the texts for this course is why technology has had such a tremendous effect on the evolution of the human species and its consanguinity with its environment. This essay depart attempt to show that the effects of technology were subject to a multiplier effect inherent in positive feedback circles. In former(a) words, e rattling historical technological innovation gave way to a change in human behavior and physical capabilities, which, in turn, allowed for further technological innovation. Because this loop has been so incredibly successful, humans know overwhelmed the environment by continually growing towards, and sometimes beyond, its natural carrying capacity. The only reason why humans have not surpassed the upper limit of environmental tolerance is our own technological innovati on which exists as part of the positive feedback loop hence the origin of the full term tech fix (the idea that human ingenuity will overcome all environmental limitations).The positive feedback loop that is responsible for the dominance of the human species is very much like a game of elementary school dodge-ball. Initially, there is no skill involved a mess of churlren with the sole intention of stay alive in the game. Only, it is not entirely random because there are the few children who are particularly well-suited for the game. Be it because they are more agile or perhaps they understand the movement a little better than the rest. Whatever the reason, they are able to continue playing the game longer than a child who runs around as if his eyes were closed. The more able children will then gain more experience and be able to stay in level(p) longer and dominate in the next game, and so the positive feedback loop proceeds to take shape. Early humans were similar in that what s et them aside from the rest of the animals is that, for some reason, they had a natural inclination towards tool-making and technology. With these tools they were able to dominate the evolutionary game, so to speak. The multiplier effect comes from the fact that the loop, once it has begun, will be self-propagating, such that one invention will inevitably allow for another. Conversely, a negative feedback loop is self-limiting rather than self-reinforcing, as put by tomcat Tietenberg in his text Environmental and Natural Resource Economics.