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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.
Microforms: Micropublishing is retrospective, being merely the reprinting of previously existing materials. Back files of newspapers, periodicals and out-of-print materials a
Every employer who employs more than 100 persons in his enterprise must, under section 30 of the Occupational Safety and Health Act 2005 appoint a registered Safety and Health Offi
Q. How is the cost of FCA best defensible to the public? FCA is not a fixed product it is an approach, it is potential to tailor a cost-effective FCA system to meet the require
Notation: It is well known that subjects should be arranged in a helpful filiatory sequence on the basis of a scheme of successive characteristics. Further, there is a need to
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
consider the use of metal detector in air port to test people for concealed weapon .in essence his is a form of hpothesis testing
PERIODICALS RECEIVING WORK: The work of receiving periodicals is perhaps the most difficult activity in the Periodicals Department. It requires thoughtful planning and systema
a) Security issues are a major source of concern for everyone both inside and outside the banking industry. There are some security questions that need to be considered before dep
Functions of Quality Standard Quality standards are the vital part in forming the Quality framework. They outline the elements of a quality. The functions of Quality standards
1. Carry out the preliminary investigation of the organisation and yourself in relation to it, as follows: a) Give an initial appraisal of the organisation’s aims and preparedness
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