Category-based induction is a hallmark of mature cognition; however, little is known about its origins. This study evaluated the hypothesis that category-based induction is related to semantic development. Computational studies suggest that early on there is little differentiation among concepts, but learning and development lead to increased…

Analyzes the roles of verbal coding skills, processing efficiency, and memory ability in accounting for individual and developmental differences in the reading comprehension of children in grades 3 through 8. Results indicate that skill differences can arise through ability differences at two independent levels--processing speed and memory.…