As an important part of the plan to record and systematically deal with all observable behavioral events that constitute an infant's waking life, all social encounters between the baby and other persons that occurred during weekly observations of two infants in their everyday milieu were recorded. (Author/CB)

Thirty-one 4-year-old Negro boys attending a research preschool in Chicago were observed during a play session. Preliminary evaluation of the data from the observations indicated a marked heterogeneity in the subjects with regard to verbal facility, cognitive development, and quality and nature of object relationships. Poor correlation was found…

Suicide proneness and self-destruction scales, together with measures of self-favorability and self-confidence, were administered to two samples (n=106 and n=213). It is suggested that women are self-destructive in passive ways, reflecting their lack of self-favorability and confidence and manifested by failure to react to everyday situations in…

Specifies some problems in the Piagetian characterizations of assimilation and accommodation and offers an alternative formulation intended to resolve some conceptual anomalies. On the basis of the revision, the orthogenetic law of developmental progression is explicitly derived. Further, Piaget's notion of "equilibrium" is extended into…

Summarizes the theory of psychological differentiation and reviews recent cross-cultural research on the roles of child rearing, culture, and ecology in the development of individual, group, and sex differences in the field dependence-field independence cognitive style component of psychological differentiation. (SS)

Academic departments exert a powerful influence on students by recruitment of distinctive personality types into academic disciplines, and by a socialization process in which departments reward students for the display of attitudes in accordance with the norms of their disciplines. This study examined the differential patterns of student growth…