A comparison of the two leading indices of moral development, the Defining Issues Test and the Moral Dilemma Interview, was made using 215 subjects ranging in age from 12 to 25. Correlation between the two tests was low when age, socioeconomic status, and intelligence variables were partialed out. (Author/SS)

Describes and discusses the rule-assessment approach, a new research strategy for studying developmental sequences in children's acquisition of knowledge. Four experiments were conducted to illustrate the utility of this approach across a variety of concepts and a wide range of ages (three-year-olds to college students). (Author/CM)