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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.
Checking with the catalogue: The individual classifier who is allotted a set of documents for processing will first check each item in the set with the library catalogue.
Some detailed important do's and don'ts while conducting negotiations are given hereunder. Do's: Know your authority as a negotiator and that of your counterpart.
Question Today most companies are conducting at least part of their business operations through electronic commerce, more commonly known as ecommerce that is the conduct of bus
ALA Rules : American Library Association. ALA Catalog Rules: Author and Title Entries. - Prel 2nd ed. - Chicago: American Library Association, 1941. Within two decades of
Requirements of shopping Let us now look at the requirements for shopping: The value of the work or goods should be of a lesser value and the nature of business should
Selection of potential suppliers This is an important function of the purchase department. If the material under reference is a standard item covered by company standards, the
Personnel: Technical processing work is, perhaps, the area in the whole library work where the highest degree of professional expertise is needed. Therefore, the technical dep
A key to success in a global knowledge economy Knowledge is the key to success. Organisations have to appreciate the competitive advantage of knowledge. Knowledge acquired has
Question 1 What is quorum? How is it related to clustering? Question 2 Explain round robin DNS. Discuss its efficiency Question 3 What is VMware server? How does i
Psychological and Sociological Measurement: Psychological Measurement mainly makes use of psychological tests and inventories. Psychological test is an instrument desig
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