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Related Experiment Videos

Validation of a decisional conflict scale

A M O'Connor1

  • 1University of Ottawa Faculty of Health Sciences, School of Nursing, Ontario, Canada.

Medical Decision Making : an International Journal of the Society for Medical Decision Making
|January 1, 1995
PubMed
Summary

The Decisional Conflict Scale (DCS) effectively measures patient uncertainty in health decisions and decision-making effectiveness. Its psychometric properties are acceptable for evaluating decision aids and interventions.

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Area of Science:

  • Health Psychology
  • Decision Science
  • Psychometrics

Background:

  • Lack of validated instruments to assess patient decision-making in healthcare.
  • Need for tools to evaluate health-care consumer decision aids.
  • Requirement to tailor decision-support interventions to individual patient needs.

Purpose of the Study:

  • Evaluate the psychometric properties of the Decisional Conflict Scale (DCS).
  • Assess the scale's ability to measure uncertainty in health decisions.
  • Determine factors contributing to uncertainty and perceived decision-making effectiveness.

Main Methods:

  • Administered the DCS to 909 individuals making decisions about influenza immunization or breast cancer screening.
  • Assessed test-retest reliability with a subsample.
  • Analyzed internal consistency and discriminant validity.

Main Results:

  • The DCS demonstrated acceptable test-retest reliability (0.81) and internal consistency (0.78–0.92).
  • The scale significantly discriminated between individuals with certain vs. uncertain decision intentions (p < 0.0002).
  • Significant discrimination was also found between those who accepted/rejected and delayed immunization decisions (p < 0.0002).

Conclusions:

  • The DCS is a psychometrically sound, feasible, and easily administered tool for assessing decisional conflict.
  • The scale can evaluate patient uncertainty and decision-making effectiveness in healthcare.
  • Further research on responsiveness and validation with complex decisions is recommended.

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