Purpose: This study used meta-analysis to investigate the difference in nonverbal cognitive test performance of children with specific language impairment (SLI) and their typically developing (TD) peers. Method: The meta-analysis included studies (a) that were published between 1995 and 2012 of children with SLI who were age matched (and not…

Two hundred and twenty two children (104 females), 1-8 years of age and young adults, were tested for up to 25 days on five versions of a non-verbal, non-navigational landmark task that had previously been used for monkeys. In monkeys, performance on this task is severely impaired following damage to the parietal cortex. For the basic task, the…

Finds that extraverted children did better than introverted children on both a nonverbal coding task and simple and complex verbal fluency tasks. Notes that anxiety influenced girls' performances on the more complex verbal fluency task, but did not alter boys' performances. Compares these findings to those of similar studies of adults. (RL)