نتایج جستجو برای: reference group

تعداد نتایج: 1222739  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1393

abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...

Journal: :international journal of group theory 2013
c k gupta

this article is intended to be a survey on some combinatorial topics in group theory. the bibliography at the end is neither claimed to be exhaustive, nor is it necessarily connected with a reference in the text. i include it as i see it revolves around the concepts which are discussed in the text.

پایان نامه :0 1374

the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1393

abstract this quasi-experimental study was aimed at examining the impact of storyline complexity on the grammatical accuracy and complexity of advanced and intermediate efl learners. a total of 65 advanced and intermediate efl learners were selected from iran language institute (ili). an intact group including 35 intermediate participants and another intact group with 30 advanced participants ...

Journal: :acta medica iranica 0
babak arjmand chronic diseases research center, endocrinology and metabolism research institute, tehran university of medical sciences, tehran, iran. and brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran. hamid reza aghayan chronic diseases research center, endocrinology and metabolism research institute, tehran university of medical sciences, tehran, iran. and brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran. bagher larijani endocrinology and metabolism research center, endocrinology and metabolism research institute, tehran university of medical sciences, tehran, iran. mehrnaz sahebjam brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran. firoozeh ghaderi brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran. parisa goodarzi brain and spinal cord injury research center, tehran university of medical sciences, tehran, iran. and cellul fanavaran knowledge-based organization, tehran university of medical sciences, tehran, iran.

the gamma irradiation has been used for end sterilization of allograft bones and its effects with a 25 kgy dosage on the osteoinductive properties of demineralized bone allograft powder was studied. this work carried out using an experimental method in an animal model. in this study the demineralized bone allograft powder which had been sterilized and prepared with gamma irradiation in a 25 kgy...

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