1. Mining Social Media to Unveil Emotional Contagion and Perceptions of Personal Fitness Information (PFI) Among mHealth App Users Over the Past Decades Restricted (Penn State Only) Author: Chen, Cen Title: Mining Social Media to Unveil Emotional Contagion and Perceptions of Personal Fitness Information (PFI) Among mHealth App Users Over the Past Decades Graduate Program: Informatics Keywords: Mobile HealthSocial InformaticsPersonal Fitness InformationEmotional Contagion File: Login to Download Committee Members: Jack Carroll, Thesis Advisor/Co-AdvisorDongwon Lee, Committee MemberDongwon Lee, Professor in Charge/Director of Graduate StudiesAiping Xiong, Committee MemberNicole Kreisberg, Committee Member