since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...

abstract this research is about a longitudinal case study of english morpheme acquisition by a persian speaking child l2 learner of english (2 .9-3).the goal of this research has been discovery of the child ‘s ability in acquiring of english morphemes in a persian context while only one person (the child’ s father)has been talking to her.this child has also been exposed to english languag...

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 ...

abstract while task-based instruction is considered as the most effective way to learn a language in the related literature, it is oversimplified on various grounds. different variables may affect how students are engaged with not only the language but also with the task itself. the present study was conducted to investigate language and task related engagement on the basis of the task typolog...

در روند اکتساب (acquisition) زبان مادری پیرامون بسیاری از زبانهای زنده دنیا تحقیقات وسیعی صورت گرفته است و در اغلب موارد نتایج بسیار مشابهی بدست آمده است که این امر به فرضیه جهانی بودن زبان (Language Universals) قوت بیشتری می بخشد. این تحقیقات در مورد زبانهای انگلیسی، فرانسه، روسی، آلمانی، استانبولی، ایتالیایی، عربی، چینی، ترکی، ژاپنی، عبری، لهستانی و برخی از زبانهای آفریقایی به صورت مکتوب و بس...

the ability of composing a coherent and extended piece of writing in second language is considered as a fundamental factor to convey information and ideas of learners through the academic issues. although learners may achieve a perfect academic writing skill through assigning the l2 tasks in content based instruction, but demonstration of their abilities may be related to their ability in l1 es...