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Related Experiment Videos

The Dysfunctional Attitudes Scale: factor structure, reliability, and validity with older adults.

M Floyd1, F Scogin, W F Chaplin

  • 1Department of Psychology, University of Nevada, Las Vegas, Nevada 89154-5030, USA. mfloyd@ccmail.nevada.edu

Aging & Mental Health
|February 26, 2004
PubMed
Summary

The Dysfunctional Attitudes Scale Form A (DAS-A) shows an uncertain factor structure in older adults, differing from younger populations. This suggests caution when using the DAS-A for depression assessment in geriatric samples.

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Area of Science:

  • Geriatric Psychology
  • Psychometric Validation
  • Mental Health Assessment

Background:

  • The Dysfunctional Attitudes Scale Form A (DAS-A) is a widely used self-report measure for depression-related attitudes.
  • Previous research consistently identified a two-factor structure in college students and middle-aged adults.
  • The DAS-A's psychometric properties have not been validated in older adult populations.

Purpose of the Study:

  • To examine the factor structure of the Dysfunctional Attitudes Scale Form A (DAS-A) in a sample of depressed older adults.
  • To determine if the established two-factor structure is replicated in geriatric populations.
  • To assess the reliability and validity of the DAS-A for use with older adults.

Main Methods:

  • A sample of 100 depressed older adults (mean age = 68.19) was recruited for a depression treatment study.

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  • The factor structure of the DAS-A was analyzed using psychometric validation techniques.
  • Hamilton Rating Scale for Depression (HRSD) scores were used to characterize the sample's depression severity.

    • Main Results:

    • The two-factor structure of the DAS-A, consistent in younger adults, was not replicated in the older adult sample.
    • Analysis revealed uncertainty regarding the DAS-A's latent structure in older adults, with single, two-, and three-factor models showing similar validity.
    • The psychometric properties of the DAS-A appear to differ significantly between younger and older adult populations.

    Conclusions:

    • The factor structure of the DAS-A is not reliably replicated in depressed older adults.
    • The latent structure of the DAS-A is uncertain in older adults, impacting its interpretability.
    • Clinicians and researchers should exercise caution when interpreting DAS-A results in geriatric populations.