Sample Size for Analytical Surveys, Using a Pretest-Posttest-Comparison-Group Design

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By Joseph George Caldwell

cover image of Sample Size for Analytical Surveys, Using a Pretest-Posttest-Comparison-Group Design

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This article describes procedures for using statistical power analysis to determine sample size in the case of a pretest-posttest-comparison-group survey design.
Sample Size for Analytical Surveys, Using a Pretest-Posttest-Comparison-Group Design