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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.
Force Account You have learnt that direct contracting is used under a limited number or exceptional circumstances without inviting any open bids. Force account is to make
A ssessment of Project Quality Quality management can be measured by having three main components: Quality control. Quality assurance. Quality improvement.
EVOLUTION OF CATALOGUE : The custodial responsibility assumed by the libraries of the early stages obligated on them the functions of acquisition and conservation entailing al
Construction Procedure: Parts of a Questbnnaire or Interview Schedule A questionnaire or an interview schedule contain the following parts: a) Introduction and Instr
Internal Form of the Catalogue: As mentioned earlier, according to the internal farm, the two major types of library catalogues are the Dictionary Catalogue and the Classifie
QUESTION a) Define cost benefit analysis as used to appraise large public sector investments b) Compare and contrast cost benefit analysis with investment appraisal c) Ex
Public documentation/information centres: Established from public funds, these may not be self- supporting financially. In developing countries, documentation and information
Purpose of information: A researcher needs information for three purposes. To keep up with new developments in his area of interest; To get acquainted with the state-o
Q. Will the use of FCA promote or enhance the regionalization of solid waste facilities? Ans. No. The utilization of an FCA approach will not, in and of itself, concluded
Special Furniture Items-library furniture-library management Besides the above mentioned library furniture, a few other items worth considering are: Book trolley, whi
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