Ass.Prof.Dr. Thamer Information theory 4th class in Communications Error Detection and Correction 1. Types of Errors Whenever bits flow from one point to another‚ they are subject to unpredictable changes because of interference. This interference can change the shape of the signal. In a single-bit error‚ a 0 is changed to a 1 or a 1 to a 0. The term single-bit error means that only 1 bit of a given data unit (such as a byte‚ character‚ or packet) is changed from 1 to 0 or from 0 to 1. The term
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the approaching‚ in 1943‚ Maslow established his theory about individual development and motivation. He classified needs into five sets; physiological‚ safety‚ love‚ esteem‚ and self- actualization. The theory as is called Maslow’s hierarchy of needs is the best known and widely used need theory of motivation. In this essay‚ the legitimacy of the theory and acceptable situations in work place if it is true are illustrated. First of all‚ the theory is classified under two grade; deficiency needs
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Organization theory is about ideas and principles that flow within an association on how work can be done by investigating through different perspective. It is important to study organization as improvements can be carried out to make sure organizations are performing efficiently through developing the organizations structure and mission statement. (Developing an enabling organisational culture‚ changing organisational culture.). (See Apendix A for some applications of organizational Theory). There are
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various experts‚ professors and authors. All these researches and discussions have given rise to various Leadership Theories. A review of the leadership literature reveal has given rise to various theories like “The Charismatic Theory”‚ “The Trait Theory”‚ “The Behavioural Theory”. . A basic introduction of the various theories is been given in the table below. Leadership Theory Time of Introduction Major Tenets Charismatic Leadership 1920s and 1970s and 1980s Effective leaders inspire subordinates
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School: “Modern” Structural Organization Theory (197) Time Line: post World War II. “Modern” structuralists are grounded in the thinking of Fayol‚ Taylor‚ GulickA‚ and Weber‚ and their underlying tenets are quite similar: Organizational efficiency is the essence of organizational rationality‚ and the goal rationality is to increase the production of wealth in terms of real goods and services. Dominant Model‚ Metaphor‚ Underlying Assumptions: 1. Organizations are rational institutions
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Expectancy theory proposes that a person will decide to behave or act in a certain way because they are motivated to select a specific behavior over other behaviors due to what they expect the result of that selected behavior will be.[1] In essence‚ the motivation of the behavior selection is determined by the desirability of the outcome. However‚ at the core of the theory is the cognitive process of how an individual processes the different motivational elements. This is done before making the ultimate
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Prospect theory Prospect theory was developed by Daniel Kahneman and Amos Tversky in 1979 as a psychologically realistic alternative to expected utility theory. It allows one to describe how people make choices in situations where they have to decide between alternatives that involve risk‚ e.g. in financial decisions. Starting from empirical evidence‚ the theory describes how individuals evaluate potential losses and gains. In the original formulation the term prospect referred to a lottery.
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restricts the study of human nature to what can be observed rather than to states of consciousness. An alternative to the materialist view is behaviourism. Behaviourism is the theory that one can observe various physical actions of an individual in order to determine ones inner feelings. For example‚ if someone is smiling‚ skipping‚ and has their head up‚ one can assume that this person is cheerful or happy. Some psychology behaviourists believe the states of consciousness cannot
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Theories of emotion The James-Lange Theory American Psychologist William James and the Danish Psychologist Carl Lange. James-Lange theory holds that physiological response give rise to our cognitive experience of emotion. Our body responds to a perception of an event before we experience the emotion. James-Lange Theory: 1. Event 2. Arousal 3. Emotion Example: The dog is growling; My muscles tense; My heart races; I feel afraid. The Cannon-Bard Thalamic Theory Walter Cannon a psychologist
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Structural Functionalism (Herbert Spencer) is a sociological theory that attempts to explain why society functions the way it does by focusing on the relationships between the various social institutions that make up society (e.g.‚ government‚ law‚ education‚ religion‚ etc) Structural Functionalism is a theoretical understanding of society that posits social systems are collective means to fill social needs. In order for social life to survive and develop in society there are a number of activities
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