Cited by 49Medical Education and AdmissionsInnovations in Medical EducationClinical Reasoning and Diagnostic Skills

The validity of a behavioural multiple-mini-interview within an assessment centre for selection into specialty training

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Roberts, Chris, Clark, Tyler, Burgess, Annette, Frommer, Michael, Grant, Marcia, Mossman, Karyn·2014·BMC Medical Education

Abstract

BACKGROUND: Entry into specialty training was determined by a National Assessment Centre (NAC) approach using a combination of a behavioural Multiple-Mini-Interview (MMI) and a written Situational Judgement Test (SJT). We wanted to know if interviewers could make reliable and valid decisions about the non-cognitive characteristics of candidates with the purpose of selecting them into general practice specialty training using the MMI. Second, we explored the concurrent validity of the MMI with the SJT. METHODS: A variance components analysis estimated the reliability and sources of measurement error. Further modelling estimated the optimal configurations for future MMI iterations. We calculated the relationship of the MMI with the SJT. RESULTS: Data were available from 1382 candidates, 254 interviewers, six MMI questions, five alternate forms of a 50-item SJT, and 11 assessment centres. For a single MMI question and one assessor, 28% of the variance between scores was due to candidate-to-candidate variation. Interviewer subjectivity, in particular the varying views that interviewer had for particular candidates accounted for 40% of the variance in scores. The generalisability co-efficient for a six question MMI was 0.7; to achieve 0.8 would require ten questions. A disattenuated correlation with the SJT (r = 0.35), and in particular a raw score correlation with the subdomain related to clinical knowledge (r = 0.25) demonstrated evidence for construct and concurrent validity. Less than two per cent of candidates would have failed the MMI. CONCLUSION: The MMI is a moderately reliable method of assessment in the context of a National Assessment Centre approach. The largest source of error relates to aspects of interviewer subjectivity, suggesting enhanced interviewer training would be beneficial. MMIs need to be sufficiently long for precise comparison for ranking purposes. In order to justify long term sustainable use of the MMI in a postgraduate assessment centre approach, more theoretical work is required to understand how written and performance based test of non-cognitive attributes can be combined, in a way that achieves acceptable generalizability, and has validity.

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Authors
Roberts, C., Clark, T., Burgess, A., Frommer, M., Grant, M., & Mossman, K.
Affiliations
The University of Sydney (AU)
Corresponding author
Roberts, Chris
Venue
BMC Medical Education
Published
2014-08-13
Volume
14
Issue
1
Pages
169-169
ISSN
1472-6920 (ISSN-L)
OpenAlex
W2121365658
Cited by
49
References
45
Citations by year
2026: 2 · 2025: 3 · 2024: 1 · 2023: 3 · 2022: 1 · 2021: 5 · 2020: 5 · 2019: 6 · 2018: 11 · 2017: 4 · 2016: 3 · 2015: 4 · 2014: 1
FWCI
3.96
Type
journal article
Language
en
Open access
Locations
  • BMC Medical Education (publishedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • The Sydney eScholarship Repository (The University of Sydney) (submittedVersion)
Funders
University of Sydney
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Medical Education and Admissions
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Innovations in Medical Education
  • Health Sciences › Medicine › Family Practice › Clinical Reasoning and Diagnostic Skills
Keywords
multiple mini-interviews, situational judgment tests, assessment centers, measurement reliability, concurrent validity, construct validity, generalizability coefficient, non-cognitive skills, variance component analysis
MeSH terms
Adult, Aged, Australia, Clinical Competence, Education, Medical, Female, Humans, Interviews as Topic, Judgment, Male, Medicine, Middle Aged, School Admission Criteria, Reproducibility of Results, Young Adult

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