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Table 3 Comparison of the mean difficulty P and discrimination D values of the SBA and EMQ

From: Postexamination item analysis of undergraduate pediatric multiple-choice questions exam: implications for developing a validated question Bank

IA parameter

SBA Mean ± SD

EMQ Mean ± SD

t-test

P-Value

P

0. 67 ± 0.28

0.70 ± 0.28

−0.405t

0.686*

D

0.32 ± 0.16

0.35 ± 0.18

-0.557t

0.620*

  1. SD Standard deviation t: independent t-test *: not statistically significant (p > 0.05)
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BMC Medical Education

ISSN: 1472-6920

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