Educational Research Some Basic Concepts and Terminology

Sampling in educat ional research is generally conducted in order to permit the det ai led study of part, rather than the whole, of a population. The information derived from the resulting sa mple is customarily employed to develop usefu l genera liz ations about the popu lation.

These genera lizations may be in the form of estimates of one or more characteristics associated w ith the population, or they may be concerned with estimates of the strength of relation ships between characteristics wit hin the population.

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