The purpose of this review was to synthesize the research underlying group contingency interventions to determine whether there is sufficient evidence to support their use for managing the classroom behavior of students with behavioral difficulties.
An application of the What Works Clearinghouse (WWC) procedures for evaluating single-subject research revealed that the research investigating group contingencies demonstrated sufficient rigor, evidence, and replication to label the intervention as evidence-based.
These findings were further supported across five quantitative indices of treatment effect. The results associated with the application of the WWC procedures and quantitative evaluations were supplemented with additional systematic coding of methodological features and study characteristics to evaluate the populations and conditions under which the effects of the group contingency best generalize.
Findings associated with this coding revealed that the lack of detailed reporting across studies limited our ability to determine for whom and under what conditions group contingencies are best suited.
(C) 2012 Society for the Study of School Psychology. Published by Elsevier Ltd. All rights reserved.
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