The results of this investigation demonstrate the reliability of ratings of accurate empathy and nonpossessive warmth during psychotherapeutic intervention with children. (Author)

Peer relations contribute substantially to both social and cognitive development. The essentials of friendship are reciprocity and commitment between individuals who see themselves more or less as equals. Affiliation and common interests, the main themes in friendship relations, are first understood in early childhood. Friends serve as emotional…

Proposes a new theory of self, based on the principles defined by Lawrence Kohlberg in his theory of moral development. The model sets forth self complexity (schemata) and biography (themata) as dimensions of self. Describes normal and atypical development arising from interaction of these components and assesses implications for practice. (KO)

Reviews research on the heritability of intellectual factors, personality factors, and psychopathology. Discusses the importance of investigating within-family environmental differences in order to understand the environmental origins of individual differences in development. (Author/BJV)