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Kan, Adnan; Bulut, Okan; Cormier, Damien C. – Educational Assessment, 2019
Item stem formats can alter the cognitive complexity as well as the type of abilities required for solving mathematics items. Consequently, it is possible that item stem formats can affect the dimensional structure of mathematics assessments. This empirical study investigated the relationship between item stem format and the dimensionality of…
Descriptors: Mathematics Tests, Test Items, Test Format, Problem Solving