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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.
consequences of conflicts
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A large unit manufacturing electrical goods which has been known for its liberal personnel policies and fringe benefits is facing the problem of low productivity and high absenteei
mr vincent the manager
Question: Psycho social Hazards-Job stress (a) How would you define job stress? (b) What are the causes of job stress? (c) Who are the workers affected by job stress?
Sewing and Collation - library bindings: Reinforced new books which conform to A.L.A. standards, shall be designated as follows: Resewed and reinforced in class `A' cover o
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Basic Materials Handling Principles 1. Lest Handling is Best Handling: it is best to keep the handling cost of the minimum because handling does not add value to
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