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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.
Limitations of Alphabetical index: Readers must have some knowledge of the classification scheme used for the arrangement of entries before the person is able to consult the c
Library catalogue code: A library catalogue code, one or two of which (for, there are a score of the them), as you may have surely become familiar with to some extent, can be
Rules of thumb for a competitive negotiation: Stick to your planned target and walk away points. You are likely to get a better overall deal if you make a larger nu
C ontract close-out: Contract close-out begins with checking for physical completion, i.e., whether all services have been performed and products delivered. Closeout
Lamination is construction by an over layering facet, just as one makes a sandwich by layering a vegetable over a layer of bread. According. to Ranganathan "when the basic layer is
what is an information resource management?
Inside and Across Boundaries The Communities of Practice might exist within a business unit or stretch across the divisional boundaries and most of them cross the boundaries be
LIBRARY CATALOGUE A modern library provides a number of facilities to its readers for making use of its collection. One such facility is the catalogue of the library which f
I nputs to quality assurance process The inputs to quality assurance are: P roject management plan: This contains quality management plan which describes how quality
TYPES OF CATALOGUE: You have learnt the definition, objectives and functions of a library catalogue and the physical forms in which it exists, with their distinguished feature
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