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Fig. 7 | BMC Medical Education

Fig. 7

From: Is the assumption of equal distances between global assessment categories used in borderline regression valid?

Fig. 7

Absolute change in exam-level fail rates by station passing requirements (adjusted regression calculation versus standard). Legend: Change in exam-level fail rates per 100 students (absolute rate change in percentage points) by station passing requirements at different thresholds, when using adjusted borderline regression calculations versus standard calculations. Data from Exam 1 (12 stations), Exam 2 (10 stations), Exam 3 (8 stations) and Exam 4 (10 stations). Datapoints shown for station passing thresholds equate to ≥4/8, ≥5/10 or ≥ 6/12 stations (≥50%), ≥7/12 stations (≥58.3%), ≥6/10 stations (≥60%), ≥5/8 stations (≥62.5%), ≥8/12 stations (≥66.6%), ≥7/10 stations (≥70%) and ≥ 6/8 or ≥ 9/12 stations (≥75%)

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