Developmental trajectories of two self-concept constructs (self-confidence and importance beliefs) in three domains (academic, social, and self-image) were estimated in a nationally representative sample of approximately 3,500 students with disabilities ages 8 to 17 representing 11 federal disability categories. Students' self-confidence in the…

Adolescents from one inner-city, two suburban, and one private school were tested using the Washington University Sentence Completion Test of Ego Development. Both test-retest correlations and change scores supported the hypothesized sequence of ego development. Significant correlation between ego level and intelligence occurred in two schools.…

Patterns of cognitive, affective, and social growth of elementary school children are described and the school and home variables which influence such growth are identified in this longitudinal study. This final report presents the final instruments and the interpretive data associated with them. The study permits the tracing of developmental…