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Convenience Sampling - A convenience sample is a group of individuals who are readily available to participate in a study. That is, the choice of the sample is left completely to the convenience of the investigator. The cost involve in picking up the sample is minimum and the cost of data collection is also generally low. For example, the investigator wants to study the demand for the types of soft drinks. The interviewer can go to some soft drinks shop and can interview shopkeepers who happens to come to that particular shop and ask them questions regarding their choice for soft drinks. Convenience sample suffers from excessive bias from known and unknown source and also there is no way that the possible errors can be quantified. It is good for taking a quick opinion poll developing tools such as questionnaire or interview schedule and for preliminary study before developing an elaborate research proposal.
The areas to be considered while monitoring and controlling a contract are wide spread. They are: P h y sical mobilisation: In this stage, the contractor gathers people, m
Question: (a) Managers and other change agents use various means for mobilising power, exerting influence over other people, and getting them to support planned change effort
Scope of Materials Handling Materials handling is spread over to many different industries and fields of engineering. The followings table gives its broad application.
Question 1: (a) What are the four objectives of biological treatment? (b) Describe fully the process microbiology for (i) Anaerobic digestion (ii) Composting of slud
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We have completed the review of the elements in the retirement planning process. We will conclude Part I with a case assignment, which require students to apply what they have lear
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QUESTION 1 Briefly explain how the following schools of thought contributed to Psychology (a) Psychoanalysis (b) Behaviourism (c) Cognitive approach (d) Humanistic/
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STOCK VERIFICATION: Stock verification implies the physical check up of the articles on record. This is a common practice in all organisations whether private companies or go
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