نتایج جستجو برای: membership in social groups

تعداد نتایج: 17170418  

2010
Kira J. Harris

Disengagement from radical social groups is a complex process initiated by the experience of a crisis, or disillusionment causing a re-evaluation of involvement. This paper provides a review of the experiences that hinder group involvement and increases the likelihood of disengagement. Utilising the categorisation by Klandersman (2005) and Demant et al. (2008a), the factors are discussed under ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده ادبیات و زبانهای خارجی 1391

building on previous studies on intellectual features and learners’ grammar learning, the present study aimed at investigating whether intelligence criterion had any impact on efl learners’ english grammar learning across two intelligence levels. in the current study, the participants were divided into two experimental and control groups by administration of raven i.q. test. this led to the for...

2010
Tanya Berger-Wolf Chayant Tantipathananandh David Kempe

Humans and other social animals interact in diverse ways. A central problem in the study of societies is identifying core communities: sets of entities among whom interactions are frequent and consistent. Membership in social groups often changes, thus making it difficult to characterize a society’s community structure. In this chapter we formalize the computational problem of dynamic community...

Journal: :Information Systems Research 2001
Brian S. Butler

A s telecommunication networks become more common, there is an increasing interest in the factors underljdng the development of online social structures. It has been proposed that these structures are new forms of organizing which are not subject to the same constraints as traditional social structures. However, from anecdotal evidence and case studies it is difficult to evaluate whether online...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یاسوج - دانشکده ادبیات و علوم انسانی 1392

the effect of learning strategies on the speaking ability of iranian students in the context of language institutes abstract language learning strategies are of the most important factors that help language learners to learn a foreign language and how they can deal with the four language skills specifically speaking skill effectively. acknowledging the great impact of learning strategies...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شاهد - دانشکده علوم انسانی و اجتماعی 1393

چکیده: مفهوم شبکه بر این حقیقت تأکید دارد که هر فرد ، گره های ارتباطی با دیگر افراد دارد ؛با افرادی که هر کدام از آنها به نوبه خود به عد? کم ، متوسط یا زیادی از دیگران گره خورده اند (فاوست، به نقل از جعفر پور 1390)فضای مجازی ، مجال شکل گیری اجتماعات جدید کاربران را فراهم می کند. از زمان تونیس و تلاش او برای تعریف دو گونه تجمع انسانی یعنی "اجتماع " در مقابل "جامعه" (گزلشافت و گمنشافت) همه ی مت...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات و علوم انسانی 1394

the ability to speak two languages in the world is a remarkable achievement. there is a good reason to believe that bilingualism is the norm for the majority of people in the world because 70% of the earth’s population are supposed to be bilingual or multilingual. various investigations have shown that the native language impacts foreign word recognition, and this influence is adapted by the de...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده پزشکی 1390

nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...

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