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| Elementary Secondary Education | 1 |
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Peer reviewedRoss, John A. – Review of Educational Research, 1988
Meta analysis techniques were used to synthesize research on teaching students how to control variables when designing an experiment. The review included 65 controlled studies. Findings are reported in terms of the influence on effect sizes of characteristics of the study, instruments used, treatments applied, and results' utilities. (SLD)
Descriptors: Effect Size, Elementary Secondary Education, Experiments, Higher Education
