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...

an investigation into oral interaction in language classes: a conversation analytic point of view the aim of this thesis is to analyze the interaction between language teachers and students in english language institutes. this work is done in the context of yasuj city. learning another language, which is in most cases english, involves many variables. one of these variables is the linguistic...

the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...

this thesis is about the effect of self-confidence and educational motivation on oral translation quality.

نتایج بدست آمده براساس تستهای آماری ‏‎kruskal wallis,chi square‎‏ آنالیز شدند. مسواک الکتریکی ‏‎braun oral b 3d‎‏ در این بررسی نشان داده است که از دو مسواک دیگر بصورت معنی داری در تمامی نواحی دندان قدرت حذف پلاک بیشتری دارد. مسواک الکتریکی ‏‎‏‎3d‎‏از نظر حذف پلاک میکروبی در نواحی اینترپروگزیمال نیز بطور معنی دار بهتر عمل کرد. مسواکهای دستی ‏‎oral b‎‏ و لاله در نواحی قدامی نتایج قابل قبولی داشتن...

چکیده ندارد.

with the introduction of communicative language teaching, a large number of studies have concerned with students’ oral participation in language classrooms. although the importance of classroom participation is evident, some language learners are unwilling to engage in oral activities. this passivity and unwillingness to participate in language classroom discussions is known as “reticence”. rev...

پلاک میکروبی اصلی ترین نقش را در ایجاد بیماریهای پریودنتال و پوسیدگی دندانی ایفا می کند. بنابراین کنترل پلاک، مهمترین اصل در پیشگیری و درمان بیماریهای دهان و دندان می باشد. کنترل پلاک به دو روش مکانیکی و شیمیایی صورت می گیرد که از این بین، استفاده از روشهای مکانیکی بیشتر مورد توجه بوده است. در برنامه کنترل مکانیکی پلاک، مسواک یک نقش اساسی را بازی می کند و ساختمان آن با قابلیت در برداشت پلاک دند...

according to cheng (1999), in recent esl/efl literature, asian (especially east asian) learners of english as a foreign/second language have been arguably reported as reticent and passive learners. the most common allegations are that these students are reluctant to participate in classroom discourse; they are unwilling to give responses; they do not ask questions; and they are passive and over...