Reflects on Needham's findings on infants' object recognition and segregation. Examines the role for perceptual bias in explaining infant performance, places Needham's studies in historical perspective, and assesses their theoretical significance. Discusses the merits of positing different kinds of information sources for object segregation, and…

Discusses metacognitive and associative models of children's strategy discovery and use. Contends that models based on only one type of mechanism cannot entirely account for observed variability and constraint revealed by microgenetic studies of children's strategy change. Proposes a new model of children's strategy development in which…

The research literature on children's production of elaborations in associative learning tasks is reviewed, especially with respect to the questions of when children can produce elaborations under instruction, when they transfer elaborative strategy usage from one situation to another, and when they produce elaborative strategies spontaneously.…