the present study was an attempt to compare the effect of peer metalinguistic corrective feedback on elementary and intermediate efl learners speaking ability to see which level benefits more from this type of feedback. to this end, 117 female efl learners at grade 3, al-zahra high school in kermanshah, iran were non-randomly chosen. the homogeneity of the participants was attained through a pi...

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

the aim of this study is investigating the effect of teaching “metacognitive strategies” on the way which scientific information retrieval workes by the using of google scholar searching machine on the students of ms in the psycology & education faculty of allameh tabatabayi university in 2007-2008 academic year. the statistical community was the students of ms in psychology & education facult...

this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...

today, the route for economic development in most countries is the same as international open competitive economy. economic institutes well known that supportive public economy belonged on the past and they may compete in the global economy. it is obvious that if they have no competitive potency or not familiar with competition technique, they may be devastated. banking system aims to collect t...

سرطان کولون یکی از شایع ترین انواع سرطان در انسان می باشد. عوامل ژنتیکی و محیطی فراوانی در بروز این سرطان تاثیر دارند. از این عوامل می توان به فاکتورهای رشد اشاره کرد. فاکتورهای رشد با دارا بودن فعالیت های میتوژنیک و موتوژنیک در تکثیر، تهاجم و مهاجرت سلول های توموری اهمیت فراوانی دارند. فاکتور رشد هپاتوسیتی (hgf) که در ابتدا فاکتور پراکنده کننده (sf) نیز نامیده می شد از طریق گیرنده خود (c-met) ...

abstract the present study was conducted in order to investigate the impact of an integrated model of form-focused and task-based instruction on iranian efl learners vocabulary learning and retention.it also aimed to detect efl learners attitude towards the implementation of form-focused task-based vocabulary instruction in the classroom. in order to address the purposes of this study, a sampl...

la notion d’équivalence est un concept clé de la pratique et de la théorie de la traduction. cependant, l’équivalence reste toujours une notion confuse. en effet, peu de chercheurs en théorie de la traduction continuent de nos jours à rechercher les principes de l’équivalence au niveau des signes de deux langues comme le faisait déjà sain augustin au quatrième siècle et comme le faisait encore,...

this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...