Sibling Relationships

First published in 1982. Since the emergence of developmental psychology early this century, theorists and researchers have emphasized the family’s role in shaping the child’s emergent social style, personality, and cognitive competence. In so doing, however, psychologists have implicitly adopted a fairly idiosyncratic definition of the family— one that focuses almost exclusively on parents and mostly on mothers. The realization that most families contain two parents and at least two children ha