Literature is replete with the studies focusing on the role of vocabulary knowledge in second language receptive skills. However, the relationship between the aspects of vocabulary knowledge and productive skills in general, and the speaking performance in particular has remained scanty in the related literature. This paper examined the relationship between knowledge of L2 vocabulary size at di...

This study aimed to investigate the impact of pre-speaking activities on Iranian intermediate English as a Foreign Language (EFL) learners’ oral performance. The study followed a quasi-experimental design in which subjects of the study were non-randomly selected. Oxford Placement Test (OPT) was used to select 100 intermediate EFL learners as the main sample. Then they were divided randomly into...

The loss in performance caused by mismatch between train and test material suggests a need for task specific acoustic models, especially for highly demanding tasks. However, since the training of these models is extremely expensive, general pur­ pose models are more attractive. In this paper we address the impact of mismatch in speaking style and task. We trained three sets of acoustic models o...

شرایط افروزش و اشتعال سوخت‌های گداخت هسته‌ای در حضور ناخالص­‌ها، یکی از موارد مهمی است که طراحی قرص‌های سوخت باید مورد توجه قرار گیرد. این مقاله اثر ناخالصی هسته سنگین طلا بر کلیه فرایندهای احتراق پلاسمای غیرتعادلی دوتریم- تریتیم مدل چهار دمایی آن شکل تابع توزیع انرژی رفتار فوتون‌ها تأثیر می‌گذارد بررسی گرفته است. مطالعه شامل اثرات منفی سوخت، طول زمان تشکیل لکه داغ نتایج محاسبات عددی به­ دست آم...

over the last few years, role of computers has become a controversial issue in language learning. this study was designed to examine the impact of computer anxiety and computer self-efficacy on the speaking section of the toefl ibt test taken by intermediate efl learners. the researchers intended to find out, which var- iable i.e. computer anxiety and/or self-efficacy would result in better per...

english passive has always been regarded as a challenge by farsi-speaking efl learners. despite the presence of many linguistic and pedagogical approaches in studying and teaching english passive, there still appears to be a pedagogical gap facing farsi-speaking efl learners dealing with this construction. taking up the cognitive-construction grammar perspective, the present article aims to inv...