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:A major consideration in designing and adopting new communication technologies is their impact on communication processes and outcomes. One way to understand this impact is according to the principle of interpersonal interactivity.Findings from two investigations are reported here that address how properties of task-related communication conducted with differing interfaces relate to perceptions of interaction partners and the outcomes of their collaborative work. Study 1 manipulated the interface affordances of mediation, contingency, and modality richness. Study 2 examined the affordance of mediation. Results show that interfaces that promote higher mutuality and involvement lead to more favorable perceptions of partners’ credibility and attraction, and those perceptions are systematically related to higher-quality decisions and more influence. Discussion focuses on the relation between user perceptions, design features, and task outcomes in human-computer interaction and computer-mediated communication.
Burgoon et al. (Wed,) studied this question.