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Determining Sample Size
Sample size is influenced by a number of factors and criteria, which include:
„« The purpose of the study.
„« Population size.
„« The risk of selecting a ¡§bad¡¨ sample. ... The more heterogeneous a population, the larger the sample size required to obtain a given level of precision. The less variable (more homogeneous) a population, the smaller the sample size.
There are several strategies for determining sample size that do not involve formulas. ...
o One approach is to use the entire population as the sample. ...
„« Imitating a sample size of other similar studies.
o Use the same sample size of studies similar to the one you plan.
Approximate Word count = 496 Approximate Pages = 2 (250 words per page double spaced)
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