the aim of this paper is to investigate the effects of information and communication technology on the structure of social networks. three major questions have been considered. first, how far does the combination of adolescent social links tend to be heterogeneous and how much is this change related to social and technological factors? second, does this alternation affect the power of adolescen...

objective:  the aim of the research was investigating and visualizing the intellectual structure of thermodynamics subject area based on outputs of iranian scholars of the field indexed in thomson reuters web of science during time span of 1990-2009.   method: the population of the research was all references of the mentioned publications. the sample was the top 1 percent cited scholars of the ...

This survey is stratified random sampling among 425 students in Islamic Azad University of Mashhad (north east of Iran) in 2011 the questionnaire has been implemented in the research. The validity of the questionnaire for face validity and Cronbach's alpha reliability coefficient is used. In this study, social capital indexes like "social participation, social trust and networks of social rel...

This study aimed to examine the influence of utilizing social networks on the intergenerational gap between families living in District 5 of Tehran. The method to conduct the research was a kind of survey method, and a researcher-made questionnaire was applied to gather information. The sampling method is a randomized cluster, and 400 people determined the sample size by applying Cochran's form...

telegram is now considered as one of the most famous platform online social networks among media university students. nowadays, the immense popularity of social networking websites such as telegram has created new opportunities for english learners. accordingly, the present study aims to investigate whether telegram would be an effective and easy learning tool of vocabulary for iranian female e...