Vignette studies of medical choice and judgement to study caregivers' medical decision behaviour: systematic review
2008

Review of Vignette Studies in Medical Decision Making

Sample size: 30 publication Evidence: moderate

Author Information

Author(s): Bachmann Lucas M, Mühleisen Andrea, Bock Annekatrin, ter Riet Gerben, Held Ulrike, Kessels Alfons GH

Primary Institution: Horten Centre, University of Zurich

Conclusion

The review found that the design and analysis methods used in current applications of vignette studies in medical decision making vary considerably and could be improved.

Supporting Evidence

  • 30 reports published between 1983 and 2005 were included in the review.
  • 73% of studies reported on treatment decisions.
  • 90% explored the variation of decisions among experts.
  • Only 20% compared decision behavior against an empirical reference.

Takeaway

This study looked at how doctors make decisions using vignettes, which are like short stories about patients. It found that many studies do this, but they could do a better job.

Methodology

Systematic review of studies examining medical decisions of physicians, nurses, or medical students using structured vignettes.

Potential Biases

Potential biases due to the complexity of vignettes and the number of attributes could affect decision-making reliability.

Limitations

Some classifications were difficult due to unclear descriptions in the articles, and the review did not distinguish between two prominent methods of constructing linear models of medical judgments.

Participant Demographics

Studies included physicians, nurse practitioners, and medical students.

Digital Object Identifier (DOI)

10.1186/1471-2288-8-50

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