Determination of neuropsychological impairment involves contrasting obtained performances with a comparison standard, which is often an estimate of premorbid IQ. M. R. Schoenberg, R. T. Lange, T. A. Brickell, and D. H. Saklofske (2007) proposed the Child Premorbid Intelligence Estimate (CPIE) to predict premorbid Full Scale IQ (FSIQ) using the…

Certain subtests of the WISC, ITPA, and Stanford-Binet are used as measures of analogical reasoning. Because several facts suggested that the form of analogy used on these subtests does not require subjects to engage in true analogical reasoning, the validity of these subtests as measures of analogical reasoning was investigated. (Author)

Three third-grade, three sixth-grade, and three adult female examiners tested 108 kindergarten and third-grade girls, half of whom were familiar to them, on three individually administered measures. No differences in performance on any measure as a function of familiarity were found at either grade level. No differences by examiners of different…

This paper addresses the problem of heterogeneity of samples of learning disabled (LD) children by comparing five different systems for identifying homogeneous subgroups in terms of their ability to predict longitudinal reading and mathematics scores. One hundred and sixty LD children served as subjects. Three of the five subgrouping systems were…