The present study aimed at modeling individual differences in a verbal learning task by means of a latent structured growth curve approach based on an exponential function that yielded 3 parameters: initial recall, learning rate, and asymptotic performance. Three cognitive variables--speed of information processing, verbal knowledge, working…

In three experiments, performance of children in grades ranging from 1 to 9 was investigated in a repeated trials, free recall experiment. Although performance on the accuracy and clustering measures increased with grade, interactions between grade and other independent variables were generally lacking. (Author/WY)

Examined the extent to which maternal linguistic input enabled children to use syntactic bootstrapping. Studied uses of 25 common verbs in speech of 57 mothers to their 1-year olds and 2-year olds. Found that verbs can be used to create informative syntactic frames, syntactic frames can cue appropriate verb class, and multiple syntactic framing…

Used observations and home visits to examine sex differences in language ability of 54 disadvantaged children at risk for poor language outcomes. Found that language difficulties increased over time, boys were at a constant disadvantage to girls in language development, and sex difference in language ability appeared even when families had similar…