Latent growth models were applied to data on multitrial verbal and spatial learning tasks from two independent studies. Although significant individual differences in both initial level of performance and subsequent learning were found in both tasks, age differences were found only in mean initial level, and not in mean learning. In neither task…

THE VERBAL BEHAVIOR OF CHILDREN FROM FOUR GRADE LEVELS (10, EIGHT, SIX, AND FOUR) WAS INVESTIGATED BY HAVING EACH SUBJECT (S) LEARN TO FREE-RECALL THREE 20-WORD LISTS OF UNRELATED WORDS. A MULTITRIAL PROCEDURE WAS USED IN WHICH SS EXPERIENCED 10 CONSECUTIVE LEARNING AND TEST TRIALS ON EACH LIST. TWO MEASURES WERE USED TO ANALYZE BOTH INTRALIST AND…

Background: The relationship between the age of reaching infant developmental milestones and later intellectual function within the normal population remains unresolved. We hypothesised that the age of learning to stand in infancy would be associated with adult executive function and that the association would be apparent throughout the range of…