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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.
Executing the agreement A successful negotiation leads to the signing of a contract by the parties after incorporating all the mutual agreements reached during negotiations. E
Visual Aids These are the tools for gaining and sustaining audience attention when presenting oral representation. Visual aids provide concrete support for your ideas and keep
VALUE-ADDED INFORMATION SERVICES ' Value-added' is a term now widely and increasingly used in the context of information systems and services. It is however a highly nebulous
Question: (a) What, according to you, are the essential elements of an effective ergonomic program? State the reasons for establishing such a program at a place of work. (b
Agreements The first agreement, obviously is the agreement to share currently owned materials (that is, to permit access to the holdings among partners), with protocols, limit
QUESTION World heritage sites are identified as sites of outstanding global values that should be preserved for all humanity. Sites will be preserved for future generations and
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
Assigning the Class Number: Once the specific subject is formulated, assigning the correct Class Number can be done with the help of the classification scheme. But this process c
Location Site -Preliminary Considerations of Library building-library managment Location is important for homogeneous services, site selection and choice of community, reg
Acquisition Through Gifts/Donations: Gifts and donations constitute an important source acquisition of reading materials in a library. Many a library has benefited enormously
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