The UKCAT-12 study: Educational attainment, aptitude test performance, demographic and socio-economic contextual factors as predictors of first year outcome in a collaborative study of 12 UK medical schools

I. C. McManus (Lead / Corresponding author), Chris Dewbury, Sandra Nicholson, Jonathan S. Dowell

    Research output: Contribution to journalArticle

    45 Citations (Scopus)
    150 Downloads (Pure)

    Abstract

    Background
    Most UK medical schools use aptitude tests during student selection, but large-scale studies of predictive validity are rare. This study assesses the United Kingdom Clinical Aptitude Test (UKCAT), and its four sub-scales, along with measures of educational attainment, individual and contextual socio-economic background factors, as predictors of performance in the first year of medical school training.

    Methods
    A prospective study of 4,811 students in 12 UK medical schools taking the UKCAT from 2006 to 2008 as a part of the medical school application, for whom first year medical school examination results were available in 2008 to 2010.

    Results
    UKCAT scores and educational attainment measures (General Certificate of Education (GCE): A-levels, and so on; or Scottish Qualifications Authority (SQA): Scottish Highers, and so on) were significant predictors of outcome. UKCAT predicted outcome better in female students than male students, and better in mature than non-mature students. Incremental validity of UKCAT taking educational attainment into account was significant, but small. Medical school performance was also affected by sex (male students performing less well), ethnicity (non-White students performing less well), and a contextual measure of secondary schooling, students from secondary schools with greater average attainment at A-level (irrespective of public or private sector) performing less well. Multilevel modeling showed no differences between medical schools in predictive ability of the various measures. UKCAT sub-scales predicted similarly, except that Verbal Reasoning correlated positively with performance on Theory examinations, but negatively with Skills assessments.

    Conclusions
    This collaborative study in 12 medical schools shows the power of large-scale studies of medical education for answering previously unanswerable but important questions about medical student selection, education and training. UKCAT has predictive validity as a predictor of medical school outcome, particularly in mature applicants to medical school. UKCAT offers small but significant incremental validity which is operationally valuable where medical schools are making selection decisions based on incomplete measures of educational attainment. The study confirms the validity of using all the existing measures of educational attainment in full at the time of selection decision-making. Contextual measures provide little additional predictive value, except that students from high attaining secondary schools perform less well, an effect previously shown for UK universities in general.
    Original languageEnglish
    Article number244
    Number of pages25
    JournalBMC Medicine
    Volume11
    DOIs
    Publication statusPublished - 14 Nov 2013

    Keywords

    • medical student selection
    • educational attainment
    • Aptitude tests
    • UKCAT
    • Socio-economic factors
    • Contextual measures

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  • Research Output

    • 45 Citations
    • 3 Article
  • 11 Citations (Scopus)

    Widening access to UK medical education for under-represented socioeconomic groups: modelling the impact of the UKCAT in the 2009 cohort

    Tiffin, P. A., Dowell, J. S. & McLachlan, J. C., 2012, In : BMJ. 344, p. - 27 p., e1805.

    Research output: Contribution to journalArticle

    51 Citations (Scopus)

    Use of UKCAT scores in student selection by UK medical schools, 2006-2010

    Adam, J., Dowell, J. & Greatrix, R., 24 Nov 2011, In : BMC Medical Education. 11, p. - 6 p., 98.

    Research output: Contribution to journalArticle

    22 Citations (Scopus)

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