The debate over whether intelligence is largely fixed or malleable is not over. What is most exciting, however, is the research from social psychology, developmental psychology, cognitive psychology, and neuroscience that is highlighting just how malleable intelligence is. Differences in achievement among racial, ethnic, or gender groups have…

Introduces the confluence model as a theory specifying the process by which the intellectual environment modifies intellectual development. Using this model, explores the contradiction between prediction of secular trends in test scores by trends in aggregate birth order and the lack of prediction of individual test scores by birth order using…