There is much current interest in how adverse experiences early in life might affect certain elements of physiological, behavioral, and psychological functioning across the lifespan. Recent conceptual frameworks for studying the effects of early experience have involved constructs such as experience-expectant, experience-dependent, and…

Because early theoretical frameworks such as Piaget's stage model and social learning theory sought to explain the development and performance of imitation in terms of overall group trends, any evidence for individual differences in this behavior was until recently largely overlooked. Results of contemporary imitation studies have not only begun…

Reviews research assessing the mother's contribution to children's early symbolic play competence, focusing on children ages 12-36 months. Finds that, as with other family members, mothers can encourage pretend play, but perhaps there is no special maternal role in the process. The quality and quantity of sophisticated play might be affected by…

Reviews research on influences on children's symbolic play. Finds little support for the effects of child-adult symbolic play interactions on child solitary play. Discusses three theoretical perspectives that should support these effects: attachment, ethological, and scaffolding theories. Reconsiders the essence of specific variables affecting…

Response to article by Bornstein and Tamis-LeMonda in this same issue. Delimits the faults of the ethological, scaffolding, and attachment theories in assessing maternal effects on children's symbolic play. Concludes that environmental influences are important to, but are not necessarily the sole cause of, child behavior. (JW)