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Related Experiment Videos

Detection of random responding on the MMPI-A.

R A Baer1, J Ballenger, D T Berry

  • 1Department of Psychology, University of Kentucky, Lexington 40506-0044, USA.

Journal of Personality Assessment
|January 1, 1997
PubMed
Summary

Adolescents sometimes respond randomly on the Minnesota Multiphasic Personality Inventory-Adolescent (MMPI-A). Validity scales effectively detect random responding, aiding accurate assessment in clinical psychology.

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Area of Science:

  • Psychological Assessment
  • Adolescent Psychology
  • Psychometrics

Background:

  • Random responding can compromise the validity of psychological assessments.
  • Understanding random response patterns in adolescents is crucial for accurate MMPI-A interpretation.

Purpose of the Study:

  • To investigate random responding on the MMPI-A in adolescents.
  • To examine the relationship between self-reported random responding and MMPI-A validity scales.
  • To assess the utility of MMPI-A validity scales in detecting random response protocols.

Main Methods:

  • 106 adolescents completed the MMPI-A and reported on random responding.
  • Self-reported random responding was correlated with validity indices (F1, F2, F, VRIN).
  • Participants were assigned to groups completing portions of the MMPI-A answer sheet randomly to simulate random responding.

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Main Results:

  • Most adolescents reported some random responses, which correlated with the F scale but not VRIN.
  • MMPI-A validity scales demonstrated sensitivity to all or partially random protocols.
  • High classification rates were achieved when discriminating between standard and random protocols.

Conclusions:

  • Self-reported random responding is common among adolescents.
  • MMPI-A validity scales are valuable tools for identifying random responding.
  • These findings support the use of MMPI-A validity scales to ensure data integrity in adolescent assessments.