The Comparison of the Equated Tests Scores by Various Covariates using Bayesian Nonparametric Model
Küçük Resim Yok
Tarih
2021
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Assoc Measurement & Evaluation Education & Psychology
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
This research is based on obtaining equated scores by using covariates in the Bayesian nonparametric model. As covariates in the study, gender, mathematics self-efficacy scores, and common item scores were used. The distributions were obtained for all score groups. Hellinger Distance was calculated to obtain the distances between the distributions of equated scores by using covariates and the distribution of the target test scores. These distances were compared with the distributions of equated scores obtained from methods based on Item Response Theory. The study was conducted on Canadian and Italian samples of Programme for International Student Assessment (PISA) 2012. PARSCALE and IRTEQ were used for classical methods, and R was used for Bayesian nonparametric model. When gender, mathematics self-efficacy scores, and common item scores were used as covariates in the model, distance values of obtained equated scores to target test scores were close to each other, but their distributions were different. The closest distribution to target test scores was achieved when gender and mathematics self-efficacy scores were used together as covariates in the model, and the farthest distributions were obtained from item response theory methods. As a result of the research, it was determined that the model is more informative than the classical methods.
Açıklama
Anahtar Kelimeler
Test equating, Bayesian nonparametric model, covariates, equated scores, score distribution
Kaynak
Journal of Measurement and Evaluation in Education and Psychology-Epod
WoS Q Değeri
N/A
Scopus Q Değeri
Q4
Cilt
12
Sayı
2
