Xxx.comTheories of light In the seventeenth century two rival theories of the nature of light were proposed‚ the wave theory and the corpuscular theory. The Dutch astronomer Huygens (1629-1695) proposed a wave theory of light. He believed that light was a longitudinal wave‚ and that this wave was propagated through a material called the ’aether’. Since light can pass through a vacuum and travels very fast Huygens had to propose some rather strange properties for the aether: for example; it must
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ACTIVITY & DISENGAGEMENT THEORIES OF AGING THEORIES OF AGING In this assignment there is an explanation of the main concepts of the disengagement and activity theories of aging. With using the case studies provided there is an explanation of how the theories effect the current situations and development of Edith and Albert in the aging the process‚ finally I will be evaluating the care options that might be available to Edith’s mother Lily and how their could have an impact on her development
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Theory X and Theory Y From Wikipedia‚ the free encyclopedia This article may require copy editing for grammar‚ style‚ cohesion‚ tone‚ or spelling. You can assist by editing it. (October 2014) Theory X and Theory Y are theories of human motivation‚ created and developed by Douglas McGregor at the MIT Sloan School of Management in the 1960s‚ that have been used in human resource management‚ organizational behavior‚ organizational communication and organizational development. They describe two contrasting
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homogeneity across cultures. The theory of relative face orientation We have discussed that Brown and Levinson’s (1987) face-saving politeness theory has been undermined for its inability to be applied universally. In surveying recent studies in cross-cultural communication‚ Mao (1994) mentions Janney and Arndt (1993)‚ who characterise it as idealistic‚ culturally biased‚ and lacking objective empirical evidence for the evaluation of their politeness universals. Instead of a theory centered on universals
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Assess the usefulness of Marxism and other conflict theories of our understanding of society. Although social conflict theories such as Marxism and feminism clearly have their weaknesses‚ as all sociological theories do‚ it is unreasonable to say that they are ‘irrelevant’ to an understanding of modern society‚ as a large amount of contemporary sociological research has its roots in conflict theory in some way. Marxism is a useful conflict theory in helping us to understand why there was obedience
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Part A Section (i) The articles chosen for this essay paper were “Corporate Environmental Reporting: A test of legitimacy theory” by Trevor D. Wilmshurst and Geoffrey R. Frost and “The Stakeholder Theory: Concepts‚ Evidence and Implications” by Thomas Donaldson and Preston Lee. There were several factors that contributed to my choosing these particular articles for my study. First and foremost‚ these articles were both peer reviewed and the journals they were sourced from‚ namely the
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Theory X and Theory Y Understanding Team Member Motivation What motivates employees to go to work each morning? Many people get great satisfaction from their work and take great pride in it; Others may view it as a burden‚ and simply work to survive. This question of motivation has been studied by management theorists and social psychologists for decades‚ in attempts to identify successful approaches to management. Social psychologist Douglas McGregor of MIT expounded two contrasting theories
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In this essay I aim to describe two theories (Equity Theory and Social exchange theory) of relationships and to consider how they might influence the therapist engaged in couples counseling‚ noting their similarities and differences. Equity theory is a theory about fairness. Its application to close relationships has been primarily advanced by Elaine Hatfield (previously known as Elaine Walster) and her colleagues in the book Equity: Theory and Research (Walster‚ Walster‚ and Berscheid 1978). The
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Theory X and Theory Y After World War II there were several studies performed that ultimately revealed how assumptions about workers’ attitudes and behaviors affect managers’ behavior. In the 1960s one of the most influential approaches was created and developed by Douglas McGregor at the MIT Sloan School Of Management. He proposed two sets of assumptions about how work attitudes and behaviors not only dominate the way mangers think but also affect how they behave in organizations. He named these
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conventional performance appraisal systems may allow managers to inflate ratings and award Superior ratings to all‚ a forced ranking system ensures that distribution requirements will be met. Overall I think that it can push /employees to work harder. Based on equality‚ appraisals should be based on a set of clear expectations‚ and employees should be ranked in a system that says they are falling below‚ meeting‚ or exceeding these expectations. 2. The equity theory focuses on employees being treated
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