2015 | OriginalPaper | Chapter
An Empirical Comparison Of Measures Of Multiple-Choice Question Item Difficulty
Author : John R. Dickinson
Published in: Marketing Dynamism & Sustainability: Things Change, Things Stay the Same…
Publisher: Springer International Publishing
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Item analysis
refers to the evaluation of items, i.e., questions, comprising tests. Its purpose is, “…toward the determination of the best possible items for inclusion in a test.” (Rogers 1995, p. 388) The most basic construct is item difficulty. “The classical approach [to item analysis]…begins by computing difficulty…” (Millman and Greene 1989, p. 358) There exist a handful of straightforward measures of item difficulty, each having a different conceptual underpinning. The purpose of the present research is to estimate the extent to which three measures of item difficulty are intercorrelated.