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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.
Circulation Area in library building-library management The stack rooms, issue and return counter and public catalogue constitute the circulation area. Along with the readin
C l aims: Claims can be initiated by both parties involved. Claims are settled through negotiation, adherence to contract terms, or a mutually agreed adjustment in the contr
What are the characteristics of Protozoa?
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
INFORMATION GENERATION PROCESS: Information is the product of different human activities and events. Activities are undertaken by individuals or by organisations in pursuance
Aids to Searching Subject searching in OPAC creates certain problems for the users. Several OPACs have been developed to ease vocabulary selection and aid in searching. When
Interval Measurement: It is a scale based on equal units of measurement indicating how much of a given attribute is present in the subject. It exhibits equal differences ia
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
Purpose and Function of library classification: We have so far studied the meaning of classification. We also have studied the importance of a call number We would now do well
A big multinational company wishes to employ a PR manager for all its PR activities. a) What according to you would be the advantages and disadvantages of having its own PR dep
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