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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.
Literature Searching Service: There are occasions when users want to know "everything that has been published" on a subject. The most important reason is that they want to kno
QUESTION (a) Define the term 'Motivation' and explain its importance for organizational success (b) Reply ANY TWO of the following items- (i) Explain with the support of
RUNG PROCESS In a library we classify and catalogue a book after it is acquired and entered in the Accession Register. After cataloguing the book, the entries will be filed i
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how will i make a project related to introducing a new product and making a new organization .. also i have to tell about my target ? i choose to introduce glases for blind people
Question 1 Describe the term technology. Write a short note on progression and growth of technology Question 2 Define some characteristics of technology forecasting. Describe
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PLANNING AND ORGANISATION: The major items of work are classification and cataloguing. They are of a highly technical nature and accuracy is the very essence of all technical
Microform reading room, collection and production Units in Reader Activity Area of library building -library management These days, more and more use being made of microforms-
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