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Objective of this research was to investigate the differences between face-to-face communication and computer-mediated communication regarding opinion change in small group decision-making. We hypothesized that people in a discussion through computer-mediated communication accede to cognitive processes that could facilitate resisting the effects of a persuasive message. Participants were 108 degree students with a mean age of 21.5 (range 19–26): 51 males (mean age=21.5) and 57 females (mean age=21.4). Subjects had to discuss in a small group (three to five people) an issue given by the experimenter related to a fictitious reorganization of the university refectory. Subjects were randomly assigned to two experimental conditions: face-to-face small group discussion and computer-mediated (chat) small group discussion. At the half-way point in the discussion the experimenter introduced a new piece …