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Table 2 Test statistics for the 48-item subsets from the three test forms

From: Fixed or mixed: a comparison of three, four and mixed-option multiple-choice tests in a Fetal Surveillance Education Program

 

Three-option

Four-option

Mixed-option

Classical reliability, α

0.78

0.79

0.82

Mean discrimination (SD)

0.30 (0.08)

0.30 (0.08)

0.32 (0.08)

Mean facility (SD)

70.8 (15.6)

63.8 (17.1)

71.4 (14.1)

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BMC Medical Education

ISSN: 1472-6920

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