Derivational knowledge is associated with writing and speaking skills. These skills are essential for EFL students who express themselves in oral presentations or written assignments. Therefore, diagnostic measurement of productive derivational knowledge is of vital importance, especially in regard to the most frequent 1,000 word families that…

While aptitude has been seen to contribute to second language (L2) development, most studies have examined its contribution as a fixed trait, rather than viewing it as a dynamic, changing variable. There appears to have been little or no investigation of the role that aptitude plays in the development of L2 pragmatic ability. Therefore, this study…

The current study sought to examine the validity of a General English Achievement Test (GEAT), administered to university students in the fall semester of 2018-2019 academic year, by hybridizing differential information (DIF) and differential distractor function (DDF) analytical models. Using a purposive sampling method, from the target population…

This study was set to cross-validate a bilingual Persian-English version of the Vocabulary Size Test (VST) against the monolingual English version and compare Iranian EFL learners' performance on the two versions. Various bilingual versions of the VST have been developed based on the assumption that bilingual versions are not affected by the…

This study has two main objectives: first, to find traces of teaching methods in a language class and second, to study the relationship between intended learning outcomes and uptake, which is defined as what students claim to have learned. In order to identify the teaching method, after five sessions of observation, class activities and procedures…