Intelligence and inspection time - Achievements, prospects, and problems

I J Deary, C Stough

Research output: Contribution to journalArticlepeer-review

Abstract

The purpose of this article is to introduce the inspection-time measure to the wider psychological community. Inspection time is, to date, the only single information-processing index that accounts for approximately 20% of intelligence-test variance. We argue that inspection time, because of its much-replicated correlation with IQ and its potential for theoretical tractability, has more potential for our understanding of individual differences in cognitive ability than other indexes of human information processing. The nature of inspection time and its measurement are described, studies correlating inspection time and IQ-type test scores are summarized, and the difficulties of explaining this correlation are highlighted.

Original languageEnglish
Pages (from-to)599-608
Number of pages10
JournalAmerican Psychologist
Volume51
Issue number6
Publication statusPublished - Jun 1996

Keywords / Materials (for Non-textual outputs)

  • PSYCHOMETRIC INTELLIGENCE
  • PROCESSING SPEED
  • MENTAL SPEED
  • IQ
  • PERFORMANCE
  • ABILITY
  • STRATEGIES
  • RATIONALE
  • PARADIGM
  • MODELS

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