This study tried to explore the relationship between adolescents′ mobile social median use and friendship quality. In this study a sample of 560 adolescents was drawn from three middle schools. The results showed： 1） There was a significant positive relationship between the using behaviors on the mobile social media and the adolescents ′friendship quality, and the using behaviors could positively predict the friendship quality. Results from natural grouping research also showed that the friendship quality of adolescent group who used the mo...
