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Peltier, Corey J.; Vannest, Kimberly J.; Marbach, Josh J. – Journal of Special Education, 2018
Identifying mathematical interventions that practitioners can implement to improve the mathematical problem solving (PS) of students is a need for the field. Literature on the PS performance of students with disabilities has grown; recently, schema instruction (SI) has been suggested as an evidence-based practice. The purpose of this study was to…
Descriptors: Meta Analysis, Research Design, Problem Solving, Mathematics Instruction
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Soares, Denise A.; Harrison, Judith R.; Vannest, Kimberly J.; McClelland, Susan S. – School Psychology Review, 2016
Recent meta-analyses of the effectiveness of token economies (TEs) report insufficient quality in the research or mixed effects in the results. This study examines the contemporary (post-Public Law 94-142) peer-reviewed published single-case research evaluating the effectiveness of TEs. The results are stratified across quality of demonstrated…
Descriptors: Effect Size, Token Economy, Meta Analysis, Nonparametric Statistics
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Parker, Richard I.; Vannest, Kimberly J.; Davis, John L. – Behavior Modification, 2011
With rapid advances in the analysis of data from single-case research designs, the various behavior-change indices, that is, effect sizes, can be confusing. To reduce this confusion, nine effect-size indices are described and compared. Each of these indices examines data nonoverlap between phases. Similarities and differences, both conceptual and…
Descriptors: Research Design, Effect Size, Case Studies, Behavior Change