Children at three levels of conceptual maturity were presented with six dilemmas in order to test the hypothesis that cognitive development predicts concrete behavioral choices whenever individuals are at least as complex as the moral alternatives confronting them. (Author/DB)

Role-taking ability and level of moral development were measured in three groups of boys and girls including 16 moderately retarded adolescents (mean chronological age 15; mean mental age 9), 16 nonretarded adolescents matched for chronological age, and 16 nonretarded children matched for mental age. (CM)

This study examined the relationship between moral reasoning and altruistic behavior in 120 boys, 4- to 11-years old. Subjects were administered Damon's Positive- Justice Interview, and were presented helping and sharing tasks under five behavioral conditions corresponding to Damon's justice levels. Findings supported cognitive- developmental…

A review of Piaget's theory and research on children's cognitive development is presented, including a discussion of the psychological structures of intelligence, developmental constructivism, and the evolution of knowledge as a subject-object relation. Piaget's assessment techniques are summarized, including moral development, number…