TY - JOUR
T1 - Base Rate Data for the WAIS-R
T2 - Test-Retest Stability and VIQ-PIQ Differences*
AU - Matarazzo, Joseph D.
AU - Herman, David O.
N1 - Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.
PY - 1984/11/1
Y1 - 1984/11/1
N2 - The data analyzed were the 14 WAIS-R scores from each of the individuals who comprised the WAIS-R standardization sample. Examined was the individual VIQ-PIQ difference from only the initial examination of each of the 1880 subjects, as well as the test-retest change in each of the 14 WAIS-R scores for each of the 119 subjects who were retested. The results revealed that, although the WAIS-R has excellent psychometric reliability as reflected in its standard error of measurement of a VIQ-PIQ difference and its impressively high test-retest Pearson r values, the actual magnitudes of the differences between the VIQ and PIQ assessed in a single examination, or the magnitudes of gain or loss in the 14 scores on retest, for some of these normal individuals were sufficiently high that such base-rate data should be routinely considered by clinical neuropsychologists and other practitioners.
AB - The data analyzed were the 14 WAIS-R scores from each of the individuals who comprised the WAIS-R standardization sample. Examined was the individual VIQ-PIQ difference from only the initial examination of each of the 1880 subjects, as well as the test-retest change in each of the 14 WAIS-R scores for each of the 119 subjects who were retested. The results revealed that, although the WAIS-R has excellent psychometric reliability as reflected in its standard error of measurement of a VIQ-PIQ difference and its impressively high test-retest Pearson r values, the actual magnitudes of the differences between the VIQ and PIQ assessed in a single examination, or the magnitudes of gain or loss in the 14 scores on retest, for some of these normal individuals were sufficiently high that such base-rate data should be routinely considered by clinical neuropsychologists and other practitioners.
UR - http://www.scopus.com/inward/record.url?scp=0021524480&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0021524480&partnerID=8YFLogxK
U2 - 10.1080/01688638408401227
DO - 10.1080/01688638408401227
M3 - Article
C2 - 6501578
AN - SCOPUS:0021524480
SN - 0165-0475
VL - 6
SP - 351
EP - 366
JO - Journal of Clinical Neuropsychology
JF - Journal of Clinical Neuropsychology
IS - 4
ER -