abstractof two mcall programs introducing 100 vocabulary items through two im the researcher of the present study was intrigued to compare the effects age modalities (pictures and streaming video) with those of a conventional method (teacher instruction) in an efl context. she set out to investigate whether such multimedia environments could provide a more effective environment for vocabulary...

vocabulary as a major component of language learning has been the object of numerous studies each of which has its own contribution to the field. finding the best way of learning the words deeply and extensively is the common objective of most of those studies. however, one effective way for achieving this goal is somehow neglected in the field. using a variety of activities such as games can r...

هدف این مطالعه بررسی اثر سیستم هم کشتی با سلولهای گرانولوزا مورال بر بلوغ توده های coc گوسفند بوده است، همچنین مراحل بلوغ هسته و سطح بیان ژنهای بلوغ و رسپتورهای آنها در دو مرحله ژرمینال وزیکول (gv) و متافاز دوم (mii) ارزیابی شد. توده های coc جدا شده از تخمدان بطور تصادفی به چهار گروه تقسیم شدند: در گروههای کنترل توده های coc به ترتیب بمدت 3 و 27 ساعت در محیط بلوغ قرار گرفتند (3h control and 27h...

abstract biometric access control is an automatic system that intelligently provides the access of special actions to predefined individuals. it may use one or more unique features of humans, like fingerprint, iris, gesture, 2d and 3d face images. 2d face image is one of the important features with useful and reliable information for recognition of individuals and systems based on this ...

چکیده مورچه‏ها با حمایت از شپشک‏ها در مقابل دشمنان طبیعی، می‏توانند برنامه‏های کنترل بیولوژیک آن‏ها را مختل ‏نمایند. طی سال‏های 1389 و 1390 با نمونه‏برداری از باغات مرکبات شهرستان‏های ساری و بهشهر، فون و فراوانی نسبی مورچه‏هایِ همراه با شپشک‏ها مورد مطالعه قرار گرفت. همچنین، تاثیر تراکم‏های مختلف کاست کارگر گونه‏ی santschi lasius turcicus بر میزان تغذیه و فراسنجه‏های واکنش تابعی حشرات ماده و لا...

there is less published research about how teachers in efl contexts respond to students who are relatively less mature and less competent l2 writers. while writing researchers have examined various issues concerning peer and teacher response in writing-oriented classes, little research has centered on the effect of collaborative tasks particularly dictogloss on writing skills. output collaborat...

تاثیر منبع کنترل رفتار بر روی موفقیت تحصیلی زبان آموزان انگلیسی بندرت در ایران ارزیابی شده است. هدف این تحقیق ارزیابی رابطه بین منبع کنترل رفتار زبان آموزان انگلیسی و موفقیت آنها در مهارت های خواندن و نوشتن زبان انگلیسی است. محقق همچنین رابطه بین منبع کنترل رفتار و راهبردهای یادگیری زبان انگلیسی را در این تحقیق جستجو می کند. بدین منظور محقق ابتدا نسخه فارسی پرسشنامه منبع کنترل رفتار (duttweiler...

abstract this study is an attempt to determine the effect of nano- technology education on science lesson for fifth grade in primary school in the city of kermanshah. this research is experimental and is conducted in the from of pre-test and post- test for the control group. an achievement test was administered to determine the rate of learning in the students. the research is an applied one. ...

this study was conducted to investigate the effect of favorite-text on iranian intermediate efl learners’ vocabulary development. sixty learners from nour-al-mahdi english institute participated in the present study. having been homogenized by oxford placement test (opt), they were randomly assigned into two groups of 30, control and experimental. then both groups sat for a pre-test which was a...

the construct of self-efficacy has received increasing attention in research over the past two decades. many studies have been carried out 1.3 significance of the study this study has pedagogical implications since improving students’ self- efficacy and autonomy is important for promoting actual performance on classroom academic tasks. in academic settings, it has been shown that self-effi...