Psychologists have long debated the role of early experience in social and cognitive development. However, traditional approaches to studying this issue are not well positioned to address this debate. The authors present simulations that indicate that the associations between early experiences and later outcomes should approach different…

This essay examines distinctions between the roles of mothers and teachers, and draws implications for mothers, teachers, parent education programs, and research. Differences between the roles of mothers and teachers are discussed in terms of seven dimensions: (1) scope of functions (diffuse and limitless versus specific and limited); (2)…