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Dimensions of self-serving misrepresentation in forensic assessment.

R I Lanyon1

  • 1Department of Psychology, Arizona State University, Tempe 85287-1104, USA.

Journal of Personality Assessment
|February 24, 2001
PubMed
Summary

This study identified three key self-serving biases in forensic clients: exaggerating symptoms versus adjustment, exaggerating virtue, and exaggerating health problems. These findings suggest a generalizable categorization of self-serving misrepresentation in forensic contexts.

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Area of Science:

  • Psychology
  • Forensic Psychology
  • Psychometrics

Background:

  • Self-serving biases can influence client assessments in forensic settings.
  • Understanding these biases is crucial for accurate evaluation.
  • Previous research has explored self-serving misrepresentation in specific forensic contexts.

Purpose of the Study:

  • To explore the factor structure of self-serving biases using principal components analysis.
  • To identify distinct categories of self-serving misrepresentation in general forensic clients.
  • To assess the generalizability of identified bias factors.

Main Methods:

  • Exploratory principal components analysis of 15 scales measuring self-serving biases.
  • Data collected from 101 general forensic clients.

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  • Confirmatory factor analysis to validate the emergent factor structure.

    • Main Results:

    • Three distinct factors of self-serving bias emerged: symptom exaggeration vs. adjustment, virtue exaggeration, and physical health exaggeration.
    • Confirmatory factor analysis supported this three-factor structure.
    • No specific factor for positive mental health adjustment affirmation was found.

    Conclusions:

    • The study identified a robust three-factor model for self-serving misrepresentation in forensic clients.
    • This three-factor structure demonstrates a degree of generality, applicable beyond personal injury evaluations.
    • The findings have implications for assessment and evaluation within forensic psychology.