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Figure 7 | BMC Medicine

Figure 7

From: Resitting a high-stakes postgraduate medical examination on multiple occasions: nonlinear multilevel modelling of performance in the MRCP(UK) examinations

Figure 7

Solid circles show the improvement in performance at each attempt at a) Part 1, b) Part 2 and c) PACES. These are the estimates of the dummy variables in model M2, and show the estimated change in mark (± 2 SEs) from Attempt n-1 to Attempt n, with the abscissa showing n. The horizontal dashed grey line shows zero (no change) and the vertical dashed line shows the horizontal position beyond which the 2 SE confidence interval first includes zero. The dashed red line indicates the expected change for the negative exponential model fitted as model M3. PACES, Practical Assessment of Clinical Examination Skills.

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