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Ensuring test quality over time by monitoring the equating transformations
Umeå universitet, Samhällsvetenskapliga fakulteten, Handelshögskolan vid Umeå universitet, Statistik.ORCID-id: 0000-0001-5549-8262
2017 (Engelska)Ingår i: Quantitative Psychology: The 81st Annual Meeting of the Psychometric Society, Asheville, North Carolina, 2016 / [ed] L. Andries van der Ark, Marie Wiberg, Steven A. Culpepper, Jeffrey A. Douglas, Wen-Chung Wang, Cham: Springer, 2017, s. 239-251Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

One important part of ensuring test quality over consecutive test administrations is to make sure that the equating procedure works as intended, especially when the composition of the test taker groups might change over the administrations. The aim of this study was to examine the equating transformations obtained using one or two previous administrations of a college admissions test that is given twice a year. The test has an external anchor, and thus a nonequivalent group with anchor test design is typically used to equate the test, although other data collection designs are possible. This study examined the use of different equating methods with different data collection designs and different braiding plans. The methods included traditional equating methods and (item response theory) Kernel equating methods. We found that different equating methods and different braiding strategies gave somewhat different results, and some reflections on how to proceed in the future are given.

Ort, förlag, år, upplaga, sidor
Cham: Springer, 2017. s. 239-251
Serie
Springer Proceedings in Mathematics and Statistics, ISSN 2194-1009
Nyckelord [en]
kernel equating, IRT kernel equating, NEAT design, NEC design, braiding plan
Nationell ämneskategori
Sannolikhetsteori och statistik
Forskningsämne
statistik
Identifikatorer
URN: urn:nbn:se:umu:diva-138064DOI: 10.1007/978-3-319-56294-0_22Scopus ID: 2-s2.0-85020885504ISBN: 978-3-319-56293-3 (tryckt)ISBN: 978-3-319-56294-0 (digital)OAI: oai:DiVA.org:umu-138064DiVA, id: diva2:1129662
Konferens
81st annual meeting of the Psychometric Society, 2016, Asheville, United States, 11 July 2016 through 15 July 2016
Forskningsfinansiär
Vetenskapsrådet, 2014-578Tillgänglig från: 2017-08-05 Skapad: 2017-08-05 Senast uppdaterad: 2018-06-09Bibliografiskt granskad

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Wiberg, Marie

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Totalt: 114 träffar
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