Hawthorne Control Procedures in Educational Experiments: A Reconsideration of Their Use and Effectiveness.

Adair, John G.; And Others

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Peer reviewed

ERIC Number: EJ404586

Record Type: Journal

Publication Date: 1989

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Hawthorne Control Procedures in Educational Experiments: A Reconsideration of Their Use and Effectiveness.

Adair, John G.; And Others

Review of Educational Research, v59 n2 p215-28 Sum 1989

A descriptive analysis of research practices and a meta-analysis of control group effect sizes are used to address Hawthorne effects in educational experiments. The analysis of 86 studies and 256 treatment/Hawthorne/no-treatment control group effect size comparisons indicate that artifact controls have limited utility in dealing with the Hawthorne effect. (TJH)

Descriptors: Control Groups, Educational Experiments, Educational Research, Effect Size, Experimental Groups, Literature Reviews, Meta Analysis, Methods Research, Research Methodology

Publication Type: Journal Articles; Information Analyses; Reports - Research

Education Level: N/A

Audience: N/A

Language: English

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