Key points are not available for this paper at this time.
An individual examination of general mental ability with verbal and performance tasks for children age 6–0 to 16–11. WISC-R set with manual, forms, and carrying cases, 39. 00. This revision embodies a number of improvements. The review makes note of the changes which seem to have resulted from the comments of users and one critic in particular.
Davis et al. (Sat,) studied this question.