Results from the first study of the three-level School-Wide Positive Behavior Support model in Europe (SWPBS, called N-PALS) are presented. Using a strengthened nonrandomized design, data was collected from more than 1,200 teachers and 7,640 students at four measure points over four school years in 28 Norwegian intervention schools and 20…

This study, conducted in Israel, examined the social and emotional difficulties of gifted children, in comparison with nongifted children. The gifted children were further compared in two educational settings: segregated classes and pull-out programs. The 974 participants were from the fifth to twelfth grades. The dependent variables included…

Recent handbooks of giftedness or expertise propose a plethora of conceptions on the development of excellent performance but, to our knowledge, there are no comparative studies that provide empirical evidence of their validity to guide researchers and practitioners in their adoption of a particular conception. This study sought to close that gap…