In two studies (ns = 312 and 1,149) with 9- to 12-grade students in pre-International Baccalaureate (IB) and IB Diploma programs, we evaluated the reliability, factor structure, measurement invariance, and criterion-related validity of the scores from the School Attitude Assessment Survey-Revised (SAAS-R). Reliabilities of the five SAAS-R subscale…

The purpose of this study was to explore the relationship between gifted adolescents' forms of overexcitabilities and self-concepts. Clusters of adolescents were formed on the basis of their overexcitabilities, and these clusters of adolescents were then compared with regard to their self-concept scores. Gender differences were also examined. The…

This study examines development along Perry's intellectual and ethical scale among three successive graduating classes of students identified as gifted and talented in mathematics and science. Perry posits that intellectual development proceeds from a basic dualism through nine stages ("positions") and culminates with a sense of personal identify…

This study investigated student perceptions of differences in academic and social effects that occur when gifted and talented youth are grouped homogeneously (i.e., in special classes for gifted students) as contrasted with heterogeneously (i.e., in classes with many ability levels represented). Forty-four students in grades 5-11 completed…