“…The work of Lambert and her colleagues (Lambert, 1972;Lambert & Hartsough, 1973;Lambert, Hartsough, & Zimmerman, 1976) provides a substantial body of evidence from which to propose a threedimensional model of nonintellectual behaviors of school-age children -that is, three relatively independent aspects of the affective life of children which can be distinguished. In this model, the dimensions defined are (a) behaviors reflecting adaptation to school, (b) individual differences in emotional states, and (c) individual differences in interpersonal behavior.…”