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Factor analysis and predictive validity of microcomputer-based tests.

R S Kennedy1, D R Baltzley, J J Turnage

  • 1Essex Corporation, Orlando, FL 32803.

Perceptual and Motor Skills
|December 1, 1989
PubMed
Summary
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This study identified three factors in microcomputer-based performance tests: encoding, throughput/decoding, and output speed. A recommended core battery allows for stable, reliable, and efficient assessment.

Area of Science:

  • Cognitive psychology
  • Psychometrics

Background:

  • Microcomputer-based performance tests offer efficient assessment.
  • Previous research indicated rapid stability and high reliability for selected tests.

Purpose of the Study:

  • To perform a factor analysis on 11 microcomputer-based performance tests.
  • To identify underlying factors of cognitive abilities assessed by these tests.
  • To propose a core battery for stable, reliable, and efficient assessment.

Main Methods:

  • 108 college students completed three test administrations.
  • Factor analysis was used to identify underlying test structures.
  • The Wonderlic Personnel Test was used as a criterion measure.

Main Results:

Keywords:
NASA Discipline NeuroscienceNon-NASA Center

Related Experiment Videos

  • Factor analysis revealed three factors: 'encoding', 'throughput/decoding', and 'output/speed'.
  • Specific tests loaded onto each factor, representing distinct cognitive processes.
  • Predictive validity (multiple Rs) between selected tests and the Wonderlic ranged from 0.41 to 0.52.

Conclusions:

  • A core battery comprising two tests from each identified factor is recommended.
  • This core battery enables stable, reliable, and efficient cognitive assessment.
  • The identified factors provide a framework for understanding microcomputer-based performance tests.