This paper presents findings of a study of recognition vocabulary knowledge as a predictor of written Academic English Proficiency (AEP) and overall Academic Achievement in an English medium higher education program in an English-as-a-Foreign-Language (EFL) context. Vocabulary knowledge was measured using a Timed YES/NO (TYN) test. AEP was assessed using an academic writing test based on IELTS....

The paradigm shift from testing the outcome to assessing the learning of process shines a light on the alternative assessment approaches, among which portfolio-assessment has sparked researchers’ interest in writing instruction. This study aimed at investigating the effect of portfolio-assessment on Iranian EFL students’ writing achievement through the process-centered approach to writi...