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ERIC Number: EJ883157
Record Type: Journal
Publication Date: 2010
Pages: 5
Abstractor: ERIC
Reference Count: 13
ISBN: N/A
ISSN: ISSN-1536-6367
Test Equating under the NEAT Design: A Necessary Condition for Anchor Items
Raykov, Tenko
Measurement: Interdisciplinary Research and Perspectives, v8 n1 p16-20 2010
Mroch, Suh, Kane, & Ripkey (2009); Suh, Mroch, Kane, & Ripkey (2009); and Kane, Mroch, Suh, & Ripkey (2009) provided elucidating discussions on critical properties of linear equating methods under the nonequivalent groups with anchor test (NEAT) design. In this popular equating design, two test forms are administered to different groups of examinees and an anchor subtest consisting of several items is part of the two forms. This subtest, often referred to as anchor test, comprises the same items that are used in the two groups and is typically utilized subsequently to link the resulting scores on the two forms. This article focuses on what may well be viewed as a necessary condition for an application of the NEAT design. It argues that if measurement invariance does not hold for the anchor test (the common items in both forms), it is rather difficult to impart substantive meaning to the results of an application of test equating procedures, in particular those that are based on the NEAT design.
Psychology Press. Available from: Taylor & Francis, Ltd. 325 Chestnut Street Suite 800, Philadelphia, PA 19106. Tel: 800-354-1420; Fax: 215-625-2940; Web site: http://www.tandf.co.uk/journals
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A