Stability of wisc-r IQS: An investigation of ethnic differences over time

Stephen N. Elliott, Kurtis Boeve

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

This investigation examined the 3-year stability of WISC-R IQs for a balanced sample of anglo, black, and Mexican-American handicapped children. No significant differences in mean IQs were found across the three ethnic groups, although over the 3-year test-retest period, WISC-R Verbal and Performance IQs were observed to vary significantly. Specifically, Verbal IQs decreased by an average of 2 points, while Performance IQs increased by an average of nearly 3 points. It was concluded that although statistically significant, the influence of 3 years time on the intelligence test performance of this varied ethnic sample of handicapped children was clinically insignificant.

Original languageEnglish (US)
Pages (from-to)461-465
Number of pages5
JournalEducational and Psychological Measurement
Volume47
Issue number2
DOIs
StatePublished - Jun 1987
Externally publishedYes

ASJC Scopus subject areas

  • Education
  • Developmental and Educational Psychology
  • Applied Psychology
  • Applied Mathematics

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