An Investigation of Item Position Effects by Means of IRT-Based Differential Item Functioning Methods

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dc.authoridsoysal, sumeyra/0000-0002-7304-1722
dc.authoridYILMAZ KOGAR, ESIN/0000-0001-6755-9018
dc.contributor.authorSoysal, Sumeyra
dc.contributor.authorKogar, Esin Yilmaz
dc.date.accessioned2024-11-07T13:32:25Z
dc.date.available2024-11-07T13:32:25Z
dc.date.issued2021
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractIn this study, whether item position effects lead to DIF in the condition where different test booklets are used was investigated. To do this the methods of Lord's chi-square and Raju's unsigned area with the 3PL model under with and without item purification were used. When the performance of the methods was compared, it was revealed that generally, the method of Lord's chi-square identified more items with DIF than did the method of Raju's unsigned area. The differentiation of the booklets with respect to item position resulted in a higher number of items displaying DIF with item purification conditions. Based on the findings of the present study, to avoid the occurrence of DIF due to item position effects, it is recommended to position the same items across different booklets in similar locations when forming different booklets.
dc.identifier.doi10.21449/ijate.779963
dc.identifier.endpage256
dc.identifier.issn2148-7456
dc.identifier.issue2
dc.identifier.startpage239
dc.identifier.trdizinid1131142
dc.identifier.urihttps://doi.org/10.21449/ijate.779963
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1131142
dc.identifier.urihttps://hdl.handle.net/11480/15409
dc.identifier.volume8
dc.identifier.wosWOS:000663573300004
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherIzzet Kara
dc.relation.ispartofInternational Journal of Assessment Tools in Education
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectItem position effects
dc.subjectItem Response Theory
dc.subjectDifferential item function
dc.subjectRaju's unsigned area
dc.subjectLord's chi-square
dc.titleAn Investigation of Item Position Effects by Means of IRT-Based Differential Item Functioning Methods
dc.typeArticle

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