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RESEARCH FORUM--The Research Sample, Part I: Sampling
Thomas R. Lunsford, MSE, CO
Brenda Rae Lunsford, MS, MAPT
ABSTRACT
The cost of studying an entire population to answer a specific question is usually prohibitive in terms of time, money and resources. Therefore, a subset of subjects representative of a given population must be selected; this is called sampling. The concepts involved in selecting subjects to represent the larger population are presented. Sampling errors and associated determining factors are reviewed.
Definitions of the research populations, including target and acce