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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.
Bill of Materials Bill of Materials (BOM) is an important document for any project, production before launching or material requirement planning process. The American Prod
Study carrel -Reader Activity Area of library building -library managenent Study carrels are exclusive areas, located in quieter and undisturbed part of the library, which are
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The fair trade movement can be understood as an NGO effort to establish a market outside of mainstream commodity monopolies while simultaneously inserting non-market concerns for j
Question: The Tourist Area Life Cycle as given by Butler (1980) is one of the most popular models which have been used and applied to study the evolution and development of de
What are the characteristics of centralised purchasing?
Reader Activity Area in library building-library management Reader Depending on the size and nature of the library, there may be one or more reading rooms. A reading room for
Catalogue as a Search Tool Remember that not often can we recollect all particulars of a document like author, title, subject, series, etc., when we search for it. Further, w
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