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Direct linkHeyvaert, Mieke; Wendt, Oliver; Van den Noortgate, Wim; Onghena, Patrick – Journal of Special Education, 2015
Reporting standards and critical appraisal tools serve as beacons for researchers, reviewers, and research consumers. Parallel to existing guidelines for researchers to report and evaluate group-comparison studies, single-case experimental (SCE) researchers are in need of guidelines for reporting and evaluating SCE studies. A systematic search was…
Descriptors: Standards, Research Methodology, Comparative Analysis, Experiments
Peer reviewedAdair, John G.; And Others – Review of Educational Research, 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…
Descriptors: Control Groups, Educational Experiments, Educational Research, Effect Size
