The definition of a traumatic event in Criterion A for posttraumatic stress disorder (PTSD) was narrowed in DSM-5 for events involving indirect exposure to the death of a loved one. Whereas the DSM-IV definition encompassed the sudden, unexpected death of a loved one regardless of the circumstances, the DSM-5 definition now requires that the death…

This dissertation examines the way in which techno-mediated communication technologies, such as social media, text messaging, and virtual communities are used to negotiate, establish and maintain interpersonal relationships among college students. Using in-depth interview and online participant observation, I explore the relationship between…