“…We suggest that such findings reflect infants' ability to detect the goal structure of action following several minutes of intervention experience engaging in object-directed behavior, and to subsequently apply this knowledge to their perception of the actions of others. Thus, our findings add to the body of literature on rapid learning in young infants (Saffran, Aslin, & Newport, 1996;Marcus, Vijayan, Bandi Rao, & Vishton, 1999;Kuhl, Tsao, & Liue, 2003), provide empirical support for the role of active experience in learning (Piaget, 1953), and add to the growing record documenting relations between agentive experience and other aspects of cognitive development in infancy (Needham et al, 2002;Eppler, 1995;Needham, 1999).…”