Each of the three great schools of developmental psy chology represented in this vo1ume--psychoana1ytic, cogni tive-developmental, and Vygotskian--diverges in important ways. But more recent changes in each discipline have led to new possibilities for theoretical integrations. Each ori entation has begun to focus upon the problem of "meaning construction," that is, how a person's subjectivity and con sciousness is created through his interaction with signifi cant others. Each discipline also discovered that as it switched to meaning and interpretation as the foci of their work, they had to...