This study was designed to provide empirical support for viewing personality development from a cognitive framework. With controls established for IQ and socioeconomic status, 75 children between 6 and 15 years old were classified by level of cognitive functioning according to Piaget's system. (CS)

This study tested the hypothesis that objective and subjective responsibility responses in moral judgment may be formally equal forms of cognitive organization. Results showed that subjects acting as offenders gave subjective responsibility responses; the same subjects acting as offended gave objective responsibility responses. Thus, subjects'…

This study was undertaken to determine the relative contribution of age, sex, and three stimulus features (board shape, block arrangement, and block shape) to perceptual accuracy on 39 board/block adaptations of Piaget's three-mountain task. (Author/SB)