The Examination of Reliability of Vee Diagrams According to Classical Test Theory and Generalizability Theory

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dc.contributor.authorPolat Demir, Betul
dc.date.accessioned2024-11-07T13:24:45Z
dc.date.available2024-11-07T13:24:45Z
dc.date.issued2016
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractThe aim of this study was to investigate reliability of score obtained from vee diagrams. Therefore in this study, the Classical test theory and generalizability theory were used. The study was carried out with descriptive research model. The participants of this research were composed of 32 students at 7th and 8th grades in Nigde. The responses given to the vee diagrams were scored through the holistic rubric. In CTT, Cronbach's alpha reliability coefficient and Kendall's concordance coefficient for interrater reliability; in G theory, Ep(2) (G) and Phi (Phi) coefficients with univariate model were computed. The Cronbach alpha reliability coefficients estimated were 0,77, 0,76, and 0,76 for each rater, respectively. For determination of interrater consistency, Kendall's concordance coefficient was calculated as W=0,959 for the first vee diagram, W= 0,924 for the second one, W=0,963 for the third one, W=0,954 for the fourth one. For the purpose of estimating variances and percent of variances in G study, fully crossed design was applied. Generalizability coefficient for vee diagram scores was 0,918 and phi coefficient was 0,899. As a result of the G study, it was determined that the variance component estimated for the student (s) main effect accounted for 42,4% of the total variance, and it was the variance component that had the highest value. The variance component estimated for raters (p) main effect, which is the lowest variance component in all main effect, accounted for 0,1% of the total variance. According to all results, it was seen that vee diagram was reliable for determination of students' mathematics achievement.
dc.identifier.doi10.21031/epod.280199
dc.identifier.endpage431
dc.identifier.issn1309-6575
dc.identifier.issue2
dc.identifier.startpage419
dc.identifier.trdizinid324779
dc.identifier.urihttps://doi.org/10.21031/epod.280199
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/324779
dc.identifier.urihttps://hdl.handle.net/11480/14295
dc.identifier.volume7
dc.identifier.wosWOS:000449666600011
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakTR-Dizin
dc.language.isotr
dc.publisherAssoc Measurement & Evaluation Education & Psychology
dc.relation.ispartofJournal of Measurement and Evaluation in Education and Psychology-Epod
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectVee diagram
dc.subjectReliability
dc.subjectClassical Test Theory
dc.subjectGeneralizability Theory
dc.titleThe Examination of Reliability of Vee Diagrams According to Classical Test Theory and Generalizability Theory
dc.typeArticle

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