The Stroop Color-Word Test: Genetic and environmental influences; reading, mental ability ability, and personality correlates.

W Johnson, T J Bouchard, N L Segal, M Keyes, J Samuels

Research output: Contribution to journalArticlepeer-review

Abstract

Using a relatively large adult sample (271 participants in the Minnesota Study of Twins Reared Apart, including 50 pairs of monozygotic and 37 pairs of dizygotic twins), the authors evaluated prior findings of reading, mental ability, and personality correlates of Stroop Color-Word Test (SCWT; J. R. Stroop, 1935) scores. The twin sample allowed the authors to estimate genetic and environmental influences associated with the SCWT scores. No meaningful personality correlates were detected. Genetic influences ranged from 35% for the Interference effect to 53% for the Word score. In spite of significant correlations between the SCWT scores and selected measures of mental ability, genetic influence oil SCWT scores was relatively unaffected when the influences of correlated ability measures were removed.

Original languageEnglish
Pages (from-to)58-65
Number of pages8
JournalBritish Journal of Educational Psychology
Volume95
Issue number1
DOIs
Publication statusPublished - Mar 2003

Keywords

  • TWINS REARED APART
  • VALIDITY
  • STRESS

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