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Fig. 1 | BMC Medical Education

Fig. 1

From: Using differential item functioning to evaluate potential bias in a high stakes postgraduate knowledge based assessment

Fig. 1

A comparison of Differential Item Functioning Curves. Note: “Score” is the overall performance on the examination. “Probability” is the likelihood of the examinee answering this question correctly. From left to right, the plots show no DIF, uniform DIF, non-uniform DIF and crossing DIF. Where there are two curves, the gap between the curves shows the DIF effect

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BMC Medical Education

ISSN: 1472-6920

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