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Evaluating a stroke-specific version of the Illness Perception Questionnaire-Revised, using the Think-Aloud method.

Navneet Aujla1, Kavita Vedhara1, Marion Walker1

  • 1University of Nottingham, UK.

Journal of Health Psychology
|June 27, 2018
PubMed
Summary

This study evaluated the Illness Perception Questionnaire-Revised for stroke survivors using the Think-Aloud method. Key issues identified include insufficient thinking aloud and complex wording, guiding future questionnaire improvements.

Keywords:
Common Sense Modelhealth psychologyillness perceptionscalestrokethink aloud

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Area of Science:

  • Neurology
  • Psychology
  • Health Sciences

Background:

  • Illness perception influences patient outcomes and treatment adherence.
  • Accurate assessment of illness perception is crucial for stroke survivors.
  • The Illness Perception Questionnaire-Revised (IPQ-R) is a common tool, but requires validation for specific populations.

Purpose of the Study:

  • To evaluate a version of the Illness Perception Questionnaire-Revised (IPQ-R) for stroke survivors.
  • To identify usability issues using the Think-Aloud method.
  • To inform revisions for improved clarity and effectiveness.

Main Methods:

  • Employed the Think-Aloud method with six stroke survivors.
  • Conducted Think-Aloud interviews analyzed according to established guidelines.
  • Identified and categorized problems encountered by participants.

Main Results:

  • A total of 179 problems were identified during the evaluation.
  • Significant issues included missing or insufficient Think-Aloud data.
  • Other problems involved complex/negative item wording and the treatment control sub-scale.

Conclusions:

  • The Think-Aloud method effectively identified usability issues in the IPQ-R for stroke survivors.
  • Future revisions should focus on simplifying wording and ensuring adequate verbalization.
  • Considerations for development include questionnaire length and the use of verbal probing.