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DiPerna, James Clyde; Lei, Puiwa; Bellinger, Jillian; Cheng, Weiyi – School Psychology Quarterly, 2015
A multisite cluster randomized trial was conducted to examine the effects of the Social Skills Improvement System Classwide Intervention Program (SSIS-CIP; Elliott & Gresham, 2007) on students' classroom social behavior. The final sample included 432 students across 38 second grade classrooms. Social skills and problem behaviors were measured…
Descriptors: Behavior Problems, Interpersonal Competence, Teacher Attitudes, Statistical Analysis