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Retest effects in medical selection interviews.

Barbara Griffin1, Piers Bayl-Smith1, Robbert Duvivier2

  • 1Department of Psychology, Faculty of Human Sciences, Macquarie University, North Ryde, New South Wales, Australia.

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Summary
This summary is machine-generated.

Reapplying medical school candidates interviewed again at the same institution showed improved interview scores. This score increase is likely due to retest effects, not improved ability, and does not impact criterion validity.

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Area of Science:

  • Medical Education
  • Psychometrics
  • Applicant Assessment

Background:

  • Repetition of cognitive tests improves scores, but interview retest effects are understudied.
  • Interviews are crucial for selecting medical students and trainees, making retest effects a significant concern.
  • Understanding retest effects is vital as applicants often reapply to programs.

Purpose of the Study:

  • To determine if retest improvements occur in repeated interviews.
  • To ascertain if improvements are due to general or specific interview experience.
  • To assess the impact of repeat interviews on criterion validity.

Main Methods:

  • Compared interview scores of applicants across different medical programs and years.
  • Analyzed applicants interviewed by multiple programs versus those interviewed by the same program in consecutive years.
  • Correlated initial and repeat interview scores with a social understanding test.

Main Results:

  • General interview experience did not yield score improvements.
  • Specific experience (same program, consecutive years) led to significant score increases.
  • Criterion validity of interviews remained unaffected by repeat testing.

Conclusions:

  • Re-interviewed unsuccessful medical school applicants at the same institution tend to score higher.
  • This score increase is likely a retest effect, not a genuine improvement in ability.
  • The study suggests interview retest effects do not compromise criterion validity.