This study analyzes the effect of age-based retention on school achievement at different stages of education. I estimate an instrumental variable model, using the predicted probability of retention given month of birth as an instrument, while simultaneously accounting for the effect of month of birth on maturity at the time of testing. The…

In this article, we review the most important findings to have emerged during the past 10 years in the study of judgment and decision making (JDM) in adolescence and look ahead to possible new directions in this burgeoning area of research. Three inter-related shifts in research emphasis are of particular importance and serve to organize this…

Describes components contributing to memory development, including: (1) capacity or processing allocation features of the information processing system; (2) strategies or control processes for problem solving; and (3) knowledge or semantic features acquired through experiences. Empirical evidence is reviewed supporting the psychological reality of…