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Related Experiment Videos

Validity of test score interpretations for three self-concept measures based on differing theoretical models.

Richard B Fletcher1, Dru Marshall, Brian Nielsen

  • 1School of Psychology, Massey University Albany, North Shore Mail Centre, Aotearoa, New Zealand. R.B.Fletcher@massey.ac.nz

Perceptual and Motor Skills
|November 25, 2004
PubMed
Summary

This study compared self-concept measures based on different theoretical models. Multidimensional self-concept measures proved more consistent in classifying individuals than unidimensional ones.

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Area of Science:

  • Psychology
  • Educational Psychology
  • Psychometrics

Background:

  • Self-concept is a key psychological construct.
  • Three primary theoretical models exist: unidimensional, multidimensional, and multidimensional hierarchical.
  • Validation of self-concept measures typically uses correlational, multitrait-multimethod, and factor analytic methods.

Purpose of the Study:

  • To evaluate the validity of test-score interpretations for self-concept measures.
  • To compare the consistency of measures derived from unidimensional, multidimensional, and multidimensional hierarchical models.
  • To apply Messick's framework for assessing the consequences of score interpretations.

Main Methods:

  • Examined three widely used self-concept measures, each representing a different theoretical model.

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  • Assessed construct validity by examining the consequences of score interpretations.
  • Utilized Messick's (1989) framework for validity assessment.
  • Main Results:

    • Multidimensional self-concept measures demonstrated greater consistency in classifying individuals compared to unidimensional measures.
    • The study provides empirical evidence regarding the differential validity of various self-concept measurement models.
    • Findings suggest differences in the practical utility and interpretability of scores from competing self-concept inventories.

    Conclusions:

    • Multidimensional models appear more effective for accurately representing and classifying individual self-concept.
    • The findings have implications for the selection and interpretation of self-concept assessment tools in research and practice.
    • Further research is warranted to explore the nuances of multidimensional hierarchical models and their measurement properties.