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Related Experiment Videos

Introduction of bias in residency-candidate interviews.

A P Robin1, C T Bombeck, R Pollak

  • 1Department of Surgery, University of Illinois College of Medicine, Chicago.

Surgery
|August 1, 1991
PubMed
Summary

To accurately assess interview scores (IS) in resident selection, interviews should be conducted blindly. Access to applicant files during interviews significantly influences IS, reducing its objective value.

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Area of Science:

  • Medical Education
  • Applicant Assessment
  • Psychometrics

Background:

  • The interview score (IS) is a key component of resident applicant ranking systems.
  • The influence of applicant file availability on the interview score is not well understood.

Purpose of the Study:

  • To evaluate the impact of applicant file availability on the interview score (IS) during resident selection.
  • To determine if blinded interviews provide a more objective measure of candidate suitability.

Main Methods:

  • A 3-year study comparing blinded (file unavailable) versus open (file available) interviews.
  • Two faculty members interviewed 133 candidates in a blinded fashion and 290 in an open fashion.
  • Statistical analysis included paired interviewer discrepancy, individual, and multiple regression analyses.

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Main Results:

  • The mean discrepancy between paired interviewers was significantly higher in the blinded group (1.34) compared to the open group (0.93).
  • Interview scores correlated more strongly with other objective parameters in the open group across weighted scores (0.27 blinded vs. 0.64 open) and regression analyses (0.39 blinded vs. 0.65 open).
  • Availability of applicant files significantly influenced interview scores, reducing their independent predictive value.

Conclusions:

  • The interview score is significantly influenced by the availability of other objective applicant data.
  • To accurately quantify the interview's value in resident selection, interviews should be conducted blindly.
  • Implementing a correction factor or conducting blinded interviews is recommended to enhance objectivity.