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Evaluating equating transformations from different frameworks
Umeå University, Faculty of Social Sciences, Umeå School of Business and Economics (USBE), Statistics.ORCID iD: 0000-0001-5549-8262
2018 (English)In: Quantitative psychology: the 82nd annual meeting of the Psychometric Society, Zurich, Switzerland, 2017 / [ed] Marie Wiberg, Steven Culpepper, Rianne Janssen, Jorge González, Dylan Molenaar, Cham, Switzerland: Springer, 2018, p. 101-110Chapter in book (Refereed)
Abstract [en]

Test equating is used to ensure that test scores from different test forms can be used interchangeably. This paper aims to compare the statistical and computational properties from three equating frameworks: item response theory observed-score equating (IRTOSE), kernel equating and kernel IRTOSE. The real data applications suggest that IRT-based frameworks tend to providemore stable and accurate results than kernel equating. Nonetheless, kernel equating can provide satisfactory results if we can find a good model for the data, while also being much faster than the IRT-based frameworks. Our general recommendation is to try all methods and examine how much the equated scores change, always ensuring that the assumptions are met and that a good model for the data can be found.

Place, publisher, year, edition, pages
Cham, Switzerland: Springer, 2018. p. 101-110
Series
Springer Proceedings in Mathematics & Statistics, ISSN 2194-1009, E-ISSN 2194-1017 ; 233
Keywords [en]
Test equating, item response theory, kernel equating, observed-score equating
National Category
Probability Theory and Statistics
Research subject
Statistics
Identifiers
URN: urn:nbn:se:umu:diva-147092DOI: 10.1007/978-3-319-77249-3_9ISBN: 978-3-319-77248-6 (print)ISBN: 978-3-319-77249-3 (electronic)OAI: oai:DiVA.org:umu-147092DiVA, id: diva2:1201770
Available from: 2018-04-26 Created: 2018-04-26 Last updated: 2018-12-14Bibliographically approved

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Wiberg, Marie

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf