Assessment is a useful process as it provides various stakeholders (e.g., teachers, parents, government, employers) with information about students' competence in a particular subject area. However, for the information generated by assessment to be useful, it needs to support valid inferences. One factor that can undermine the validity of…

This study compared the relationship between the use of Persian vs. English in teaching English grammar to Iranian students and their achievement in learning English grammar. The participants of this study include 50 female students from a junior high school in Mehran. The researcher randomly selected 2 groups, one group was taught through the…

Even if national and international assessments are designed to be comparable, subsequent psychometric analyses often reveal differential item functioning (DIF). Central to achieving comparability is to examine the presence of DIF, and if DIF is found, to investigate its sources to ensure differentially functioning items that do not lead to bias.…

This volume includes four sections of the 2020 NORDSCI international conference proceedings: (1) Education and Educational Research; (2) Language and Linguistics; (3) Philosophy; and (4) Sociology and Healthcare. Education and Educational Research includes 15 papers covering the full spectrum of education, including history, sociology and economy…

Evaluation of mastery at the various stages of language acquisition is more appropriately carried out through the use of creative testing on hybrid achievement tests, which retain certain features of achievement tests and incorporate proficiency-based tasks that require authentic communicative language use. (Author/CB)