Analysis of C-Tests with the Equidistance and the Dispersion Models · Alnoor Digital Repository

Title: Analysis of C-Tests with the Equidistance and the Dispersion Models
Abstract: C-tests are commonly used as measures of second language reading comprehension and general language proficiency. Analysis of C-tests with item response theory models is problematic due to the interdependent structure of C-test items or gaps. An approach to facilitate item response theory (IRT) analysis of C-tests involves treating each passage as a polytomous super-item. This approach facilitates the application of polyomous IRT models for ordered response data to the C-test passages. Usually, Andrich’s rating scale model or Masters (1982) partial credit model are used to analyse the data. In this study, we aim to employ two alternative modelling techniques, namely, the equidistant model (Andrich, 1982) and the dispersion model (Rost, 1988) to C-test data. Our findings showed that the C-test data have a good fit to the both models and can be used for psychometric analysis of C-test passages. Information criteria showed that the dispersion model has a better fit compared to the equidistance model.
Scientific Type: اكاديمي
Link: https://www.ijlt.ir/article_175416.html
Journal volume: vol.13,Special Issue
Collaboration type: مشترك
Publish Date: March 1, 2023
Participated Universities (Publication): Alnoor University
Scopus status: In Scopus
Scopus index year: 2 023
Scopus quarter: 1
Scopus citation score: 2.099999905
Clarivate status: Not In Clarivate
Pub. Med. status: Not In PubMed
Author (Publication): إسماعيل عبد الوهاب إسماعيل محمد
Journal (Publication): International Journal of Language Testing
Publisher (Publication): Tabaran Institute of Higher Education (Iran Ministry of Sciences)
ISSN: 2476-5880
Country (Publication): Iran
Country type: عالمية
College (Publication): College of Education
Departement (Publication): Department of English Language

Media: Academic Paper