Predictive validity of A-level grades and teacher-predicted grades in UK medical school applicants: a retrospective analysis of administrative data in a time of COVID-19.

BMJ Open · 2021 · PMC8678544 · PMID 34916308

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highly significantno p-value reported

For 66 006 candidates with at least three paired predicted and actual grades, Cronbach’s alpha was 0.827 for actual grades and 0.786 for predicted grades, with a highly significant difference.

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