نتایج جستجو برای: based studies
تعداد نتایج: 4043650 فیلتر نتایج به سال:
The purpose of this study was to examine the effect of a Socratic animated agent on user performance in a computerbased CD player disassembly simulation. Vocational Education students were randomly assigned to one of two versions of the simulation. One version offered text-based feedback in the form of statements; the other one featured an animated agent providing hints and clues. Results showe...
the purpose of the research is to examine if integrating cooperative learning into vocabulary learning helps to increase word recognition of students in an elementary school in iran. it tries to investigate whether cooperative learning approach enables students to improve their language learning. this research used stad (students team achievement division) as a cooperative model in this study. ...
clinical research usually involves patients with a certain disease or a condition. the generalizability of clinical research findings is based on multiple factors related to the internal and external validity of the research methods. the main methodological issue that influences the generalizability of clinical research findings is the sampling method. in this educational article, we are explai...
abstract purpose of this paper: this paper presents an analysis toward understanding the business value components that a health care organization can drive by adopting rfid technology into its system. this researcher proposes a framework for evaluating the business value of rfid technology. to do so, emphasis is put on delivering business value through refining business processes and expanding...
since esp received universal attention to smooth the path for academic studies and productions, a great deal of research and studies have been directed towards this area. swales’ (1990) model of ra introduction move analysis has served a pioneering role of guiding many relevant studies and has proven to be productive in terms of helpful guidelines that are the outcome of voluminous productions ...
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
بررسی تنوع ژنتیکی ژنوتیپهای بومی پیاز ایرانی در مقایسه با انواع خارجی چکیده: برنامه های اصلاحی گیاهان بر اساس تنوع و انتخاب صفات برتر کمی و کیفی صورت می گیرد. لذا، ارزیابی تنوع ژنتیکی، اولین مرحله در برنامه های اصلاحی است. در این راستا، استفاده از روش های جدید مطالعهی تنوع ژنتیکی ضروری به نظر می رسد. در این بررسی تعیین تنوع ژنتیکی سیزده ژنوتیپ پیاز ایرانی در مقایسه با دو ژنوتیپ خارجی با است...
iran is an important endemic focus area of cystic hydatid disease where several intermediate host species are commonly infected with echinococcus granulosus . annually, most livers are shipped out, stored away, or destroyed due to contamination among livestock. for instance, in aleshtar (lorestan province), liver and lung losses due to hydatid cysts during 2002-2003 were approximately 864,360,0...
in this thesis protic and aprotic ammonium-based ionic liquids were synthesized and their surface tensions were measured in the range of 298-373k. the protics are alkyl ammonium-based ils with the carboxylate (formate, acetate, propionate) anion and aprotics are quaternary ammonium-based ils with bis(trifluoromethylsulfonyl)imide anion. capillary rise method was used for surface tension measure...
abstract since heubners (1985) pioneering study, there have been many studies on (mis) use/ non-use of articles by l2 learners from article-less and article languages. the present study investigated how persian l2 learners of english produce and interpret english definite descriptions and demonstrative descriptions. it was assumed that definite and demonstrative descriptions share the same cen...
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