Reliability Improvement Reliability of a scale is improved by pruning of weak items. Deleting a weak item from a measurement scale may sometimes lead to jeopardizing scale’s theoretical construct. When this happens‚ the item needs to be redesigned and revaluated. Wording of items in a measurement scale plays an important role in determining its discriminating power. Weak items in the scale are identified by computing Corrected Item-Total Correlation (CITC) (Ferketich‚ 1991) and Item-Deleted Cronbach’s
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Question 4: Culture is both a key concept and a contested concept in anthropology. Discuss. I will be discussing how culture is used in anthropology‚ how it has seeped out into other fields of research and also its uses in normal everyday life. I will be looking at why this key concept has been and is still contested by some anthropologists. How it has created problems in the field and how we perceive people through the concept of culture. This done through the understanding of the definition of
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In the novella Of Mice and Men‚ John Steinbeck explores discrimination in the 1930s through a range of characters. Discrimination occurs when an individual is treated less fairly than others due to something out of their control. The issues of discrimination against women‚ African Americans and the mentally disabled are demonstrated by the characters Crooks‚ Curley’s wife and Lennie. These characters are forced to experience a different lifestyle from the average American at the time. One of
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SUPPLIER RELIABILITY The components of supplier reliability cover both response time and quality. The more often a supplier is unreliable‚ the greater is the tendency for its customers to hold more safety inventory to compensate for supplier incompetence. By changing suppliers or improving existing supplier reliability‚ a business can reduce its safety inventory levels in the knowledge that the supplier can support the business efficiently. The main variables are as follows: • Response time
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Introduction Every human being is an unique individual. This is an undeniable fact‚ thus organisations have to explore the various antecedences of the psychological contracts between employees and the organisation. Employees have different perceptions and thinking over the concept of psychological contracts. Generation Y is slowly filling up the positions in contemporary organisations. Therefore‚ what are the influencers revolve around this power craving group of people? Research has concluded that
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Effect of The Earth’s magnetic field By X 9h Earth’s Magnetic Field Introduction Our Earth is a huge bar magnet tilted 11 degrees from the spin axis of the Earth‚ with geographic north pole being earth’s magnetic south pole and vice versa. Similar to how a magnet has a magnetic field surrounding it‚ our Earth also has its own magnetic field. The earth’s magnetic field is formed in the earth’s core due to a process known as the dynamo effect. According to dynamo effect
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Like internal validity‚ there can also be threats to external validity‚ & this can be an explanation of how researchers may be wrong in making a generalisation. For instance‚ researchers may conclude that the results of their study (which was done in a specific place‚ with certain types of people‚ & at a specific time) could be generalised to another context. For instance it could have been at another place‚ with different people‚ at a later time‚ even if these factors are only slightly different
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Discuss biological or psychological methods of stress management (12 marks) ‘Stress management’ is defined as any sort of attempt to reduce the negative effects of stress. Management techniques are generally either biological or psychological approaches to dealing with the stress. Psychological methods of stress management try to control the body’s response to stress by altering the way we think about the stressor. These methods include Stress Inoculation Training and Hardiness training. However
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Reliability vs. Validity By: Framing and Analyzing Problems: Research Strategies for Leaders (PD) Professor Gordon McLean July 8‚ 2011 The purpose of this weeks’ discussion is to evaluate and analyze an article by identifying issues related to general method reliability and validity. The article that was chosen was “Trust in the Face of Conflict: The Role of Managerial Trustworthy Behavior and Organizational Context” by Korsgaard‚ M. A.‚ Brodt‚ S. E.‚ & Whitener‚ E. M. (2002). This
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The tradition concept of development has for a considerable period of time been driven by economic considerations. Exploitation of natural resources which leads to environmental degradation motivated by targets of maximum profits has been the norm and little regard has been granted to the side effects of development initiatives. Gradual escalation of awareness and realisation of the range as well as the magnitude of environmental effects of development initiatives led to worldwide discussions on
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