The significance of producing socially appropriate utterances, not just linguistically correct ones, has given rise to a plethora of studies on speech acts. In this regard, the performance of second and foreign language learners against the norms of the target language and the factors affecting them have yet to be thoroughly investigated. To…

Ensuring second language (L2) learners have an adequate breadth and depth of L2 vocabulary knowledge is a key pedagogical objective in L2 learning contexts. For this reason, establishing guiding principles that successfully enhance the efficacy of L2 vocabulary knowledge development is of strong importance. The current study investigated the value…

Threats to construct validity should be reduced to a minimum. If true, sources of bias, namely raters, items, tests as well as gender, age, race, language background, culture, and socio-economic status need to be spotted and removed. This study investigates raters' experience, language background, and the choice of essay prompt as potential…

This study investigates the correlations between the three measures of written receptive vocabulary size and second language (L2) depth of vocabulary knowledge to find the most reliable test of vocabulary size. Moreover, the corresponding relationship is examined for the higher and lower word-frequency bands of the three tests to find whether the…

This study compared the effects of spacing and massed instructions on Iranian English as a foreign language (EFL) learners' reading comprehension. To fulfill this objective, 50 Iranian participants were selected among 80 students based on the results of Oxford Quick Placement Test (OQPT). The intermediate selected participants were then randomly…

The present study was undertaken to explore the practicality and the effect of dynamic assessment on L2 writing ability of Iranian English as a foreign language (EFL) learners. To this end, 17 EFL learners divided into two groups, participated in this article. Then, dynamic assessment procedure was done in three steps, topic-choice,…

In many reading comprehension tests, different test formats are employed. Two commonly used test formats to measure reading comprehension are sustained passages followed by some questions and cloze items. Individual differences in handling test format peculiarities could constitute a source of score variance. In this study, a bifactor Rasch model…

The spacing effect is a ubiquitous phenomenon, whereby memory is enhanced for the information that is learned across different points in time rather than being learned at once. A considerable amount of research has focused on the nature of the spacing effect, and there is general acceptance that spacing learning events out in time promotes…

Academic listening skill is an indispensable necessity for English for academic purposes (EAP) students in English-medium universities and also critical for their future success in comprehending conference lectures. But due to the specific nature of such academic lectures, nonnative students all too often face challenges in getting a full command…