Consistent with earlier research using the Wechsler Intelligence Scale for Children (WISC) and the WISC-Revised, the Information, Digit Span, and Digit Symbol (i.e., Coding) subtests contribute substantially and independently to group differentiation. A. Bannatyne's Sequential factor also discriminates between these groups. (Author)

Protocols (n=149) of the Wechsler Adult Intelligence Scale-Revised that were completed by 22 graduate students were analyzed to determine the effectiveness of practice administrations in developing examiner competence. Even completing 10 administrations did not reduce errors students made, suggesting that careful training is required. (SLD)