This paper explores the relationship between display of feedback (public vs. private) by a computer system and the basis for evaluation (present vs. absent) of that feedback. We employ a social interpersonal context (speed-dating) in a controlled laboratory setting. Participants (in male-female pairs) receive real-time performance feedback, either only about themselves (private) or about both participants (public). Participant perceptions of monitoring, conformity, and self-consciousness about themselves and their dating partner, as well as perceptions of system invasiveness, system competence, and system support are assessed. There is a consistent pattern of significant interaction between feedback display and basis for evaluation conditions. Public feedback with an added, trivial basis for evaluation creates significantly lower perceptions of monitoring, conformity, self-consciousness, and system invasiveness, than do the other three conditions. Additionally, there is a main effect ...