Introduction: The present study examined the efficacy of the universal prevention version of the Coping Power Program in reducing behavioral and emotional problems and in promoting prosocial behaviors in middle-school classrooms. Methods: The study used a randomized control study design; and the sample included 839 middle-school Italian youths…

Through two studies, this work examined the applicability, interpretability, and construct validity of the Classroom Assessment Scoring System K-3 (CLASS) to measure quality of classroom interactions. In the first study, the CLASS was used in 332 classrooms to test three alternative models (in time order, the one-, three-factor, and two-factor…