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Table 1 Discrimination guidelines to determine whether the question should be rejected or improved

From: Development and validation of a tool to assess researchers’ knowledge of human subjects’ rights and their attitudes toward research ethics education in Saudi Arabia

 

Item difficulty

Item discrimination (d)

High

Medium or moderate

Low (easy)

d \(\le\) 0.0

Improve or reject

Improve or reject

Improve or reject

0.0 < d \(\le\) 0.30

Accept

Improve or reject

Accept

d > 0.30

Accept

Accept

Accept

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BMC Medical Ethics

ISSN: 1472-6939

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