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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.
QUESTION a) List 5 factors affecting productivity b) List 3 factors affecting productivity which are controllable at company's or project level and 2 factors affecting produ
Halo Ef fect Halo effects refer to drawing a general impression of an individual based on a single characteristic. For example, if a person is well-dressed, you might s
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Reprography unit in library building-library management With the advent of cheap and efficient photocopying machines, provision of photocopy service has become a must in most
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S t ages of organisational change The Organisation change model chosen must be a data driven, enterprise wide, systemic approach to change. It should be planned in such a way
critically analyze mr. vincent''s reasoning
Card Catalogue Cabinet -library furniture-library management This is perhaps the most important piece of equipment in a library used frequently by both the library staff and t
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