In this research, the effects of cooperative learning on mathematics achievement in Turkey were examined by meta-analysis method. For this purpose, the average effect size value and the average effect size values of the moderator variables (cooperative learning technique, education level, learning domain and implementation period) were calculated.…

School bullying and delinquent behaviors are persistent and pervasive problems for schools, and have lasting effects for all individuals involved (Copeland et al., "JAMA Psychiatry" 70:419-426, 2013; Espelage et al., "J Res Adolesc" 24(2):337-349, 2013a). As a result, policymakers and practitioners have attempted to thwart…

Social-Emotional Learning (SEL) programs are school-based preventive interventions that aim to improve children's social-emotional skills and behavioral development. Although meta-analytic research has shown that SEL programs can improve academic and behavioral outcomes in the short term, few studies have examined program effects on receipt of…

Student learning measures have rapidly become common in teacher evaluation systems across the United States. Over half of the country's states have required, recommended, or identified "student learning objectives" (SLOs) as a measure of student growth for use in educator evaluation. Although SLO-type measures vary significantly in terms…