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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.
Subject Access to OPAC The typical OPAC interaction process requires the matching or crude translation of user vocabulary to system vocabulary. It became apparent that the am
Car Management System: You have been approached by a Used Car Dealership who wishes to introduce an IT system to support their business. You are required to implement a protot
Selective Dissemination of Information (SDI): Selective dissemination of information is a method of supplying each user or a group of users with the references of documents or
Simple and Stratified Random Sampling: Simple Random Sampling is a type of probability sampling that ensure that each element of the population has an equal and indepe
Age of Inventory - evolution of catalogue: Such simple lists were attempted in good numbers in the succeeding periods (900 A.D. - 1100 A.D.). Louis Pious (814-840 A.D.) issued
Question 1 ALM deals with strategic balance sheet management, which involves various risks, caused because of the changes in exchange rates and the position of liquidity, intere
Administration of Interview Schedule: Rules for Interviewing Fix-up the Appointment: Interviewer should fix up the data and time of interview with the subjecthn
(a) Discuss and determine the following statement: Emergent change does not provide a coherent alternative to Planned change but merely gives an umbrella for those who oppose it.
Question 1: Describe what is meant by ‘skilled-based', ‘rule-based' and knowledge-based behaviour. Explain in each case how these operating levels can give rise to human error
BINDING MATERIALS: The quality of binding depends on the type of materials. As a working librarian or a prospective librarian you would need to be conversant with the types an
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