During the preschool years, children are simultaneously undergoing a reshaping of their mental number line and becoming increasingly sensitive to the social norms expressed by those around them. In the current study, 4- and 5-year-old American and Israeli children were given a task in which an experimenter laid out chips with numbers (1-5),…

This series of four experiments on children's causal sequences was directed at: (1) extending Brown's research on temporal ordering to causal relationships portrayed in picture sequences; (2) investigating the developmental progression of skills involved in understanding and remembering sequences; and (3) examining the development of reversible…