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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.
The composition of solid waste from a residential community is as follows: Component Percent by weight Combustibles ---
Public Catalogue -Circulation Area in library building in library management Public catalogue is the key to the document collection in a library and frequently used by the re
Problem 1 (a) Illustrate on the 3 main stages of the development of PR in the U.S? (b) Describe the main transformations that PR has undergone since its inception? Pro
Reference Service and Literature Search A reference service, according to the A.l.A. Glossary of Library Terms, is "that phase of library work which is directly concerned wit
AACR - L C Descriptive Rules - british museum cataloguing rules: Anglo-American cataloging rules / prepared by the American Library Association, the Library of Congress, the
Factors Determining Arrangement of Documents: Documents can be arranged in various ways in a library, e.g., by author, or by title, or by, subject or by basis such as size, la
Presentation of Results: Proper presentation of search results requires as much skill and care as in defining the subject and parameters of search. Reading lists need only be
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Architecture of library building in library management Library activity is a specialised activity and it should be designed so as to carry out this activity efficiently in a
QUESTION a) Mintzberg argues that the word "strategy" has been used implicitly in different ways and provides five definitions. Elaborate on these definitions of strategy b)
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