Dr.(Prof.) Purya Baghaei

C-tests are gap-filling tests mainly used as rough and economical measures of second-language proficiency for placement and research purposes. A C-test usually consists of several short inde...

The validity and psychometric properties of a new Persian adaptation of the Foreign Language Reading Anxiety Scale were investigated. The scale was translated into Persian and administered t...

Research shows that test method can exert a significant impact on test takers’ performance and thereby contaminate test scores. We argue that common test method can exert the same effect ...

The 17-item revised version of the Cognitive Test Anxiety Scale (CTAR-17) was translated into Persian to be used for Iranian students. In this study, we used the Rasch rating scale model to ...

Structural equation modeling (SEM) has become widespread in educational and psychological research. Its flexibility in addressing complex theoretical models and the proper treatment of measu...

In this study the magnitudes of local dependence generated by cloze test items and reading comprehension items were compared and their impact on parameter estimates and test precision was in...

This study aims to develop and validate a multidimensional scale of willingness to communicate in a foreign language. Multidimensional random coefficient multinomial logit model was employed...

Standard unidimensional Rasch models assume that persons with the same ability parameters are comparable. That is, the same interpretation applies to persons with identical ability estimates...

The present paper gives a general introduction to the linear logistic test model (Fischer, 1973), an extension of the Rasch model with linear constraints on item parameters, along with eRm (...

Background Validity is the most important characteristic of tests and social science researchers have a general consensus of opinion that the trustworthiness of any substantive research depe...