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Peer reviewedLinn, Robert L.; Slinde, Jeffrey A. – Review of Educational Research, 1977
Problems in measuring change abound. For many purposes, a pretest score is best treated as any other measure obtained at the time of the pretest. Where appropriate, regression analyses that treat the pretest no differently from other independent variables, and the posttest as the dependent variable avoid many difficulties introduced by gain…
Descriptors: Achievement, Change, Correlation, Group Norms
