Abstract The present study was conducted with two goals in mind: (1) to examine the influence of using different types of SNS use on users’ well-being, and (2) to examine the mediating roles of online self-disclosure and friendship quality in the relationship between types of SNS use and well-being. Participants were from two large 4-year undergraduate universities in Southwestern China. The study was conducted during Spring semester, 2013, using advertisements that described the nature of th...