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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.
Periodicals: Now let us discuss the type of documents that need binding in libraries. Among these, periodicals need to ' be bound for their archival value. Periodicals constit
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AA Code of 1908: Cataloging rules: author and title entries / compiled by Committees of the Library Association and the American Library Association. - English edition. - Lond
Do you believe health care should be available to all Americans regardless of their ability to pay?do you believe it''s a basic right?if so all healthcare or only basic services.
Historical Sources: Historical Data are a combination of documentary and field sources. These consist of documents and various historical sources to which the historian him
what is the relevance of hofstede''s dimensions model of culture to the tourism and hospitality industry
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Withdrawal - library management: A book may be withdrawn from collection/from the stock register and shelf list if: • it is outdated • worn out beyond repair •
Sample and Sampling The sample represents the population of those critical characteristics you plan to study. In other words, if the sample is representative of th'e pop
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