The purpose of this study was to determine the effect of electronic word of mouth,
risk perception and trust on purchasing decisions Studies in college student ecommerce
users shopee in Purwokerto). This research uses quantitative research
methods, non-probability sampling techniques, obtained through purposive
sampling is a method of determining the sample based on certain criteria. This
research sample of 130 respondents. The research method used in this study is
multiple regression analysis. The results of the analysis show that partially
electronic word of mouth, risk perception and trust have a significant effect on
purchasing decisions, while security has no influence significant and electronic
word of mouth influence negative on purchasing decisions. The result of
determination coefficient analysis of 75,8%, while the rest of 24,2 % influenced by
other variabels not examined in this research. Trust is the most influential factor
to purchasing decisions.