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Eason, Sandra H.; Daniel, Larry G. – 1989
A framework for understanding methodological practices from the perspectives of internal validity, external validity, statistical control validity, and construct validity is presented. One hundred doctoral dissertations completed between 1980 and 1988 at a single urban public university were analyzed for various methodological practices and types…
Descriptors: Analysis of Variance, Cohort Analysis, Construct Validity, Doctoral Dissertations