Eight contributions address: material cocaine use and neonatal outcome; nonorganic failure to thrive; understanding and controlling violence; the role of school in prosocial development; lateralization of function; lateralized behavior organization during infancy; parent-infant interaction; and manu

Historically, explanations for the origins of behavior have vacillated be- tween nurturist and nativist camps. Nurturists emphasize environmental determinants of development, whereas nativists emphasize biological de- terminants. Contemporary develop mentalists reject such dichotomies on the assumption that the organization of behavior is driven by interac- tions between environmental and biological regulators. For example, Sameroff (1989; Sameroff & Fiese, 1989) reminds us that throughout the life span, development of the biological organism has meaning only when considered in relation to...

Volume 1 of Theory and Research in Belwvioral Pediatrics drew attention to issues related to the assessment of the preterm infant, to organizational processes in infant development, and to the systemic nature of caregiver-infant relationships. Vol- ume 2 continued the theme of systemic organization while ex- amining various contextual and ecological factors that affect development during infancy and childhood. Volume 3 con- tinues these themes. Interdisciplinary and cross-disciplinary studies, cross-cul- tural comparisons, prospective longitudinal designs, and so- phisticated multivariate...