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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.
Pre-requisites for a Union Catalogue Compilation of a union catalogue is possible only through library cooperation. Any such compilation should be very clear in the beginning
Sewing Materials - binding materials: Thread: Sewing is the central operation in binding. The life of binding depends very much on the kind of sewing and the material used f
C ommunity The community element requires attention, organisation and also nurturing. The members of the community might choose to join together to help each other and share t
WHAT IS A RECORD FORMAT THAT DIVIDES THE RECORD INTO SECTIONS?
Document Delivery Service (DDS): Document Delivery Service is actually concerned with the supply of documents to the users on demand, either in original or its copy in print o
Question 1 Write short notes on the Quality planning an element of Quality management Question 2 What are the steps to the Fade QI model? Question 3 Quality costs are th
Question 1: (i) Explain the relationship between the Front Desk and the Reservations Department. (ii) Enumerate the various steps in the reservations process and explai
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
Increase in Demand: Exponential growth in the volume of published information, increase in the number of users and availability of large number of online and C D - R OM bibli
D omain A community will be just a group of friends without the commitment to the domain. A domain is not just the group of people with connections but it is an identity which
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