School-achievement test: reliability of the item difficulty measurement

Komenda, S.; Majer, P.; Podstata, J.

Acta Universitatis Palackianae Olomucensis Facultatis Medicae 108: 301-314

1985


ISSN/ISBN: 0301-2514
PMID: 3161289
Document Number: 260581
Item difficulty index is the most important characteristic of the SAT item ability to measure subject's knowledge on the topic of interest. Item difficulty indices are correlated, as obtained repeatedly in the given year as well as obtained in 3 yr in succession; the purpose of the study is to evaluate item reliability of the test on antibiotic therapy, as applied in teh set of stomatology students.

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