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Direct linkCook, Bryan G.; Dupuis, Danielle N.; Jitendra, Asha K. – Journal of Learning Disabilities, 2017
When classifying the evidence base of practices, special education scholars typically appraise study quality to identify and exclude from consideration in their reviews unacceptable-quality studies that are likely biased and might bias review findings if included. However, study quality appraisals used in the process of identifying evidence-based…
Descriptors: Investigations, Evidence Based Practice, Experimental Programs, Special Education
Download full textNelson, Michael C.; Cordray, David S.; Hulleman, Chris S.; Darrow, Catherine L.; Sommer, Evan C. – Society for Research on Educational Effectiveness, 2010
An educational intervention's effectiveness is judged by whether it produces positive outcomes for students, with the randomized controlled trial (CRT) as a valuable tool for determining intervention effects. However, the intervention-as-implemented in an experiment frequently differs from the intervention-as-designed, making it unclear whether…
Descriptors: Intervention, Program Effectiveness, Demonstration Programs, Experimental Programs
