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SIZE OF SAMPLE:
Large samples are more representative of the population of interest than the sinall samples. There are no specific rdes for determining the desired sample size. If the researcher uses the probability sampling method smaller samples are needed than non probability sampling.
A sample size of minimum 30 will be adequate according Poscoe (1975), but it can bc as large 100, 500, 1000, etc. Most nursing studies are limited to small convenient samples. Generalization to total population is usually difficult to make with any degree of confidence. The use of small samples dictates the need for studies to be replicated. If several investigators find similar results, generalization to other population are more appropriate.
Full leather binding: Full leather binding means that whole of the card board is covered by leather. Books which are very expensive and are rare may need this kind of binding.
Arrays and Chains: Isolates are arranged in what are called arrays and chains. ,An array is a sequence of coordinate (equally ranked) classes arranged in some definite order.
Services and Products of Documentation and Information Centres: All functions of documentation and information centres are performed with the objective of providing informatio
Problem 1: Explain and comment on the different stages of development that have produced our present day mass media. Problem 2: The impact of electronic media is strong
Surveys and Censuses There are also organisations which have been set up specifically to gather statistical information through censuses and surveys. This may be considered a
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
what is an information resource management?
Make yourself aware of the range of issues involved in the "Greening of Hotels" phenomenon by reading widely on the topic. Become conversant with the full range of current and e
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
How do advertisers try to use group influence? Can you find any specific examples and describe the relevant theory of group behavior and influence?
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