The use of polychoric and Pearson correlation matrices in the determination of construct validity of Likert type scales

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dc.authoridOzdemir, Hasan Fehmi/0000-0002-0705-8032
dc.authoridTORAMAN, Cetin/0000-0001-5319-0731
dc.contributor.authorOzdemir, Hasan Fehmi
dc.contributor.authorToraman, Cetin
dc.contributor.authorKutlu, Omer
dc.date.accessioned2025-01-27T20:29:24Z
dc.date.available2025-01-27T20:29:24Z
dc.date.issued2019
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractNo matter how strong the theoretical infrastructure of a study is, if the measurement instruments do not have the necessary psychometric qualities, there will be a question of trust in interpreting the findings, and it will be inevitable to make wrong decisions with the results. One of the important steps in scale development/adaptation studies is to provide evidence of the experimental validity. In order to reveal evidence of construct validity of Likert type scales, to identify factor structures, to confirm previously predicted structures, factor analysis is used. The primary issue to be examined is the level of measurement of the variable and one of the leading decisions that must be taken is which relation matrix will be used. This descriptive research is based on the effects of using Pearson or polychoric correlation matrix in the factor analysis. It is determined that items showed different item-total correlations, loading values and correlation coefficients, different factor numbers emerged, different items were removed out of the scale, confirmation status of the structure has changed.
dc.identifier.doi10.19128/turje.519235
dc.identifier.endpage195
dc.identifier.issn2147-2858
dc.identifier.issue3
dc.identifier.startpage180
dc.identifier.trdizinid406234
dc.identifier.urihttps://doi.org/10.19128/turje.519235
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/406234
dc.identifier.urihttps://hdl.handle.net/20.500.12428/22935
dc.identifier.volume8
dc.identifier.wosWOS:000477726000002
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherMehmet Tekerek
dc.relation.ispartofTurkish Journal of Education
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WoS_20250125
dc.subjectFactor analysis
dc.subjectPolychoric correlation matrix
dc.subjectPearson correlation matrix
dc.subjectLikert type scales
dc.subjectConstruct validity
dc.titleThe use of polychoric and Pearson correlation matrices in the determination of construct validity of Likert type scales
dc.typeArticle

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