Maintains that advances in the literature on perception-action development suggests that tool use may be a more continuous developmental achievement than previously believed. Suggests new research directions, including efforts to investigate the processes by which children detect and relate affordances between objects, coordinate spatial frames of…

Reviews research on infants classified by Ainsworth's "Strange Situation" assessment as insecure/ambivalent, and examines studies exploring attachment theory beyond infancy. Presents a theoretical discussion of the ways in which patterns of mother and child behaviors associated with the insecure/ambivalent pattern may work together to…

Analyzed data from 11 studies of concordance of mother/father attachment to an infant based on the Strange Situation. Found that security of attachment, type of insecurity, and subcategory classification of security to one parent depended on the other parent. Discussed parenting styles and infant temperament. (BC)

Calls for a process-oriented approach to study of categorization in infancy. Maintains that further understanding of infant categorization and its changes with development requires a more direct assessment of infants' category formation. Argues that two research directions will enhance understanding of categorization: (1) contextual variations on…