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Related Experiment Videos

Development and testing of a new hostility scale.

H M Arthur1, P E Garfinkel, J Irvine

  • 1McMaster University, Hamilton, Canada. arthurh@fhs.mcmaster.ca

The Canadian Journal of Cardiology
|June 3, 1999
PubMed
Summary
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Hostility, a component of Type A behavior, is a significant coronary risk factor. A new Hostile Attitude Scale (HAS) effectively measures this trait, showing a stronger correlation with angiogram outcomes than other hostility measures.

Area of Science:

  • Psychology
  • Cardiology
  • Behavioral Medicine

Background:

  • Global Type A behavior assessment may be less effective than focusing on specific components like hostility.
  • Existing hostility measures, such as the Type A Structured Interview (SI) and Cook-Medley (Ho) scale, have limitations due to conceptual overlap with anger and aggression.

Purpose of the Study:

  • To develop and validate a new instrument, the Hostile Attitude Scale (HAS), specifically targeting the cognitive aspects of hostility.
  • To differentiate hostile attitude from emotional or behavioral manifestations of hostility.

Main Methods:

  • Development and psychometric testing of the Hostile Attitude Scale (HAS).
  • Assessing internal consistency (Cronbach's alpha) and convergent validity (correlations with Ho scale and SI).

Related Experiment Videos

  • Clinical investigation correlating HAS, SI, and Ho scale with angiogram outcomes.

    • Main Results:

    • The HAS demonstrated good reliability (Cronbach's alpha = 0.80) and moderate correlations with existing measures (Ho scale = 0.56, SI = 0.43).
    • All measures correlated significantly with angiogram outcome, with the HAS showing the strongest relationship.
    • Hostile attitude, measured by HAS, independently accounted for 6% of the explained variance in angiogram outcome.

    Conclusions:

    • The Hostile Attitude Scale (HAS) is a reliable and valid instrument for measuring hostility, with a focus on cognitive aspects.
    • Hostile attitude is a significant predictor of coronary artery disease outcomes, independent of other Type A behavior components.
    • The HAS offers a concise and easily administered tool for assessing hostility in clinical and research settings.