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Direct linkPerman Gochyyev; Mark Wilson – Society for Research on Educational Effectiveness, 2021
Lord's paradox arises from the conflicting inferences obtained from two alternative approaches that are typically used in evaluating the treatment effect using a pre-post test design. The two main approaches for analyzing such data are: (1) to regress the change from pretest to posttest on the treatment indicator (change score approach; CS); (2)…
Descriptors: Students, Mathematics Curriculum, Mathematics Instruction, Curriculum Development
