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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.
Conditions for adopting direct contracting We should adopt direct contracting when: Extension of existing contracts for works or supply of goods is justifiable on econo
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
Sensitivity and Appropriateness: Sensitivity refers to the capability to detect changes or differences when they to occur. Often, multimodel measurements are made becau
Kinds of Library Classification: When entities are books or other items of information, their classification is called Library Classification. Library classification has also
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Direct Ordering with Publishers: Due to the inefficiency of local booksellers, many a library has resorted to the practice of directly ordering with publishers or their local
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
P roject team activities There are seven step procedures which the organisation can use to introduce the project team activities as a management strategy. The proced
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