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Related Experiment Videos

The Disgust Scale: item analysis, factor structure, and suggestions for refinement.

Bunmi O Olatunji1, Nathan L Williams, David F Tolin

  • 1Department of Psychology, Vanderbilt University, 111 21st Avenue South, Nashville, TN 37203, USA. olubunmi.o.olatunji@vanderbilt.edu

Psychological Assessment
|September 12, 2007
PubMed
Summary
This summary is machine-generated.

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This study refined the Disgust Scale (DS) by removing 7 items and identifying 3 core dimensions: Core, Animal Reminder, and Contamination Disgust. Findings support its use in assessing disgust sensitivity and its relation to obsessive-compulsive disorder (OCD).

Area of Science:

  • Psychology
  • Psychometrics

Background:

  • The Disgust Scale (DS) is a key instrument for measuring disgust sensitivity.
  • Previous research has not fully established its psychometric properties.

Purpose of the Study:

  • To evaluate the item adequacy, factor structure, reliability, and validity of the Disgust Scale (DS).
  • To refine the DS for a more psychometrically sound assessment of disgust sensitivity.

Main Methods:

  • Conducted 4 studies with 1,939 participants.
  • Performed item analysis, exploratory and confirmatory factor analyses.
  • Utilized structural modeling and clinical samples.

Main Results:

  • Identified 7 items for potential removal from the DS.

Related Experiment Videos

  • Revealed 3 dimensions of disgust: Core Disgust, Animal Reminder Disgust, and Contamination-Based Disgust.
  • Found women scored higher than men on all 3 dimensions.
  • Established that Core and Contamination-Based Disgust predict obsessive-compulsive disorder (OCD) concerns, unlike Animal Reminder Disgust.
  • Observed higher Core and Contamination-Based Disgust in OCD patients with washing concerns.

    • Conclusions:

    • The refined DS demonstrates improved psychometric properties.
    • The 3-factor structure (Core, Animal Reminder, Contamination Disgust) is supported.
    • Disgust dimensions differentially relate to OCD symptoms, particularly washing concerns.