WAIS-R test-retest reliability in a normal elderly sample

WAIS-R test-retest reliability in a normal elderly sample

We examined the 1-year test-retest reliability of WAIS-R Verbal, Performance, and Full-Scale IQs in a sample of 101 older normal individuals (mean age = 67.1). The respective Pearson rs were .86, .85, and .90. The median retest reliability coefficient for the WAIS-R subtests was .71. The test-retest...

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Veröffentlicht in:Journal of Clinical and Experimental Neuropsychology 1989-08, Vol.11 (4), p.423-428
Hauptverfasser: Snow, W G, Tierney, M C, Zorzitto, M L, Fisher, R H, Reid, D W
Format: Artikel
Sprache:eng
Schlagworte:
Aged
Aging - psychology
Female
Follow-Up Studies
Humans
Intelligence
Male
Prospective Studies
Reference Values
Wechsler Scales
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Zusammenfassung:We examined the 1-year test-retest reliability of WAIS-R Verbal, Performance, and Full-Scale IQs in a sample of 101 older normal individuals (mean age = 67.1). The respective Pearson rs were .86, .85, and .90. The median retest reliability coefficient for the WAIS-R subtests was .71. The test-retest reliability for the Verbal-Performance Discrepancy was .69. These data indicate that IQ scores are reliable in older normal individuals for this retest interval, but less confidence can be placed in the reliability of subtest scores and the Verbal-Performance Discrepancy.
ISSN:1380-3395
0168-8634
DOI:10.1080/01688638908400903