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  • Psychometric Aspects of Item Mapping for Criterion-referenced Interpretation and Bookmark Standard Setting

Psychometric Aspects of Item Mapping for Criterion-referenced Interpretation and Bookmark Standard Setting

  • 31/03/2022
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Giới thiệu

Locating an item on an achievement continuum (item mapping) is well-established in technical work for educational/psychological assessment. Applications of item mapping may be found in criterionreferenced (cr) testing (or scale anchoring, beaton and allen, 1992; huynh, 1994,1998a, 2000a, 2000b, 2006), computer-assisted testing, test form assembly, and in standard setting methods based on ordered test booklets. These methods include the bookmark standard setting originally used for the ctb/terranova tests (lewis, mitzel, green, and patz, 1999), the item descriptor process (ferrara, perie, and johnson, 2002) and a similar process described by wang (2003) for multiple-choice licensure and certification examinations. While item response theory (irt) models such as the rasch and two-parameter logistic (2pl) models traditionally place a binary item at its location, huynh has argued in the cited papers that such mapping may not be appropriate in selecting items for cr interpretation and scale anchoring.

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