The number of users of Online Social Networks (OSNs) has increased dramatically. To join OSNs, users need to disclose their information to others. If people have higher levels of privacy concerns, they may hesitate to expose their information. Therefore, privacy concerns should be an important factor affecting the use of OSNs. Based on prior studies, we investigate how individuals’ perceived be...

In this empirical paper we investigate how much users of Online Social Networks know about their self-disclosures. We conducted standardized interviews in which we asked students in what Facebook profile categories they had disclosed information and to which audience they had made each piece of information visible. Additionally we collected ratings on how confident students were about the corre...

today, online social networks are very popular due to the possibility of creating relationships between people all over the world. these social networks with possibilities such as friend recommendation generally use local features derived from social graph structure. for friend recommendation, there are different algorithms with local and global approaches. in this paper, we proposed an algorit...

although the internet has become one of the most important information resources for university students, excessive internet use can be defined as uncontrolled and harmful use of the internet, in other words, internet addiction. internet addiction (ia) can be described as a maladaptive preoccupation with internet use impairing social, occupational and other areas of a person’s functioning. rece...

this paper aimed to investigate the relationship between components of social capital (security, trust, social norms, social networks and participation in social activities) and physical activity participation among the adolescent students in yazd city. the statistical population of the study included adolescent students (14-17 years old) from yazd city. 382 adolescents were randomly selected t...