1. The role of social networks in adolescent substance abuse prevention Open Access Author: Choi, Hye Jeong Title: The role of social networks in adolescent substance abuse prevention Graduate Program: Communication Arts and Sciences Keywords: Word-of-MouthSocial TalkSocial NetworkSubstance abuse prevention Teenagers File: Download HyeJeong_Choi-dissertation_final.pdf Committee Members: Michael Hecht And Rachel Smith, Dissertation Advisor/Co-AdvisorMichael Hecht And Rachel Smith, Committee Chair/Co-ChairRoxanne Louise Parrott, Committee MemberD Wayne Osgood, Committee Member