Computer-mediated communication (CMC) was a new type of medium over a decade ago and has been emerging rapidly in recent years. This book covers an exploratory study which was conducted among university students. The study investigated the effects of duration and frequency of messaging on impression and relational development in CMC environments. Results indicated that duration and frequency had significant main effects on impression and relational development in CMC environments. That is, long duration and high frequency of messaging result in significant higher impression and relational...