Practice Profile: School-Based Conflict Resolution Education

Evidence Rating for Outcomes

Juvenile Problem & At-Risk Behaviors | Multiple juvenile problem/at-risk behaviors

Date: This profile was posted on September 28, 2015

Meta-Analysis Snapshot
	Literature Coverage Dates	Number of Studies	Number of Study Participants
Meta Analysis 1	1970-2006	36	4971

Meta Analysis 1

Garrard and Lipsey (2007) conducted a meta-analysis to examine the effectiveness of conflict resolution education (CRE) programs on reducing antisocial behaviors of K–12 students. A comprehensive search of the literature was conducted to locate studies, published and unpublished, between 1960 and 2006. To be included, studies had to have been evaluations of CRE programs; delivered in U.S. schools with grades K–12; used a research design with a control group; provided information about the CRE program group and control group at the baseline (when random assignment was not possible); and assessed antisocial behavior outcomes. A total of 36 studies were identified and fit the criteria for inclusion. The final sample comprised 4,971 student participants between the ages of 5 and 17. Nineteen studies included students aged 10 to 13, 11 studies included students aged 14 to 17, and 6 studies included students aged 5 to 9. The most common CRE program type was peer mediation (17 studies), followed by direct skills instruction (16 studies), and infused curriculum (3 studies).

The outcome of interest was antisocial behaviors, which was measured in a variety of ways across the studies, including scales completed by adults or youths, student self-ratings, research ratings, teacher ratings, and reported behaviors such as school disciplinary events. The standardized mean difference effect size, with a 95 percent confidence interval, was used to assess program impact. A random effects analysis was conducted, and the effect size was weighted by the inverse of sampling error variance. Effect sizes were adjusted for outliers and small sample sizes.

Date Created: July 17, 2024

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Practice Snapshot

Age: 5 - 17

Gender: Male, Female

Setting (Delivery): School

Practice Type: Conflict Resolution/Interpersonal Skills, School/Classroom Environment

Unit of Analysis: Persons

Practice Profile: School-Based Conflict Resolution Education

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Practice Profile: School-Based Conflict Resolution Education

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