In recent years, proponents of life-span development from a variety of disciplines have expounded on the unique theoretical posture and possible advantages of a life-span perspective in the study of child's introduction to an adult world (Baltes, 1983). In some cases, the world perspective has been presented as an alternative view to that of child's introduction to an adolescent development. The response to this view by child psychologists has ranged from enthusiastic endorsement to bemusement or resentment of the proselytizing zeal of some of the life-span scholars.