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Related Experiment Videos

Consistency of evaluators assessing inhaler technique.

M B O'Connell1, J M Hewitt, T E Lackner

  • 1Department of Pharmacy Practice, University of Minnesota Pharmacy Department, Hennepin County Medical Center, Minneapolis.

Annals of Allergy
|December 1, 1991
PubMed
Summary

Achieving high interrater reliability in assessing inhaler technique requires specific training and checklist refinement. This study improved agreement from 81% to 98% through iterative revisions and evaluator training.

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Area of Science:

  • Respiratory medicine
  • Medical education
  • Clinical research methodology

Background:

  • Correct inhaler technique is crucial for medication efficacy.
  • Inconsistent assessment of inhaler technique can lead to patient confusion and flawed research.
  • Standardized evaluation methods are needed for reliable assessment.

Purpose of the Study:

  • To determine interrater consistency in assessing inhaler technique (recitation and demonstration).
  • To improve assessment consistency to at least 95% agreement.
  • To establish reliable methods for evaluating inhaler technique in research and education.

Main Methods:

  • Developed a checklist for correct inhaler technique based on literature and package inserts.
  • Conducted six trials involving 56 healthcare professionals across five sites.

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  • Utilized three, then four evaluators in teams, refining the checklist and training to enhance agreement.

    • Main Results:

    • Overall percent agreement increased from 81% to 98% after checklist revisions and evaluator training.
    • Verbal component agreement improved significantly due to checklist specificity.
    • Demonstration component agreement remained lower due to inherent subjectivity.

    Conclusions:

    • Iterative checklist refinement and evaluator training are essential for achieving high interrater consistency.
    • Standardized assessment protocols are necessary for accurate research reporting and effective patient education.
    • While challenging, improving consistency in demonstration assessment is vital.