Discusses a study to compare the performances of different item analysis procedures by using five scales covering intellectual and attitudinal domains. Results are presented. (Author/DB)

Points out how the theories advanced during the 1930s by Russian psychologist L. S. Vygotsky can provide insights to western educational psychologists as they seek to understand child development and, particularly, as they devise ways of working with socially disadvantaged and mentally retarded children. (DB)