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Dong, Nianbo; Reinke, Wendy M.; Herman, Keith C.; Bradshaw, Catherine P.; Murray, Desiree W. – Society for Research on Educational Effectiveness, 2015
Cluster randomized experiments are now widely used to examine intervention effects in prevention science. It is meaningful to use empirical benchmarks for interpreting effect size in prevention science. The effect size (i.e., the standardized mean difference, calculated by the difference of the means between the treatment and control groups,…
Descriptors: Effect Size, Correlation, Multivariate Analysis, Statistical Analysis
Horner, Robert H.; Newton, James S.; Todd, Anne W.; Algozzine, Bob; Algozzine, Kate; Cusumano, Dale; Preston, Angela – Behavioral Disorders, 2018
Data-based problem solving is a hallmark of research-supported practices such as positive behavioral interventions and supports. In this study, we provided members of positive behavioral interventions and supports (PBIS) teams from 38 elementary schools with professional development focused on a research-supported problem-solving model…
Descriptors: Problem Solving, Randomized Controlled Trials, Workshops, Intervention