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Moreland eloquently argues for excluding dyads from group process research and theory. Although dyads can have properties that do not lend themselves to certain group process research (e.g., coalition formation) and have properties that can go beyond typical group processes (e.g., intimate relations and love), in most instances dyads are groups of two and operate under the same principles and theories that explain group processes for groups of three and larger. In this article, the author presents research and theory that support the inclusion of dyads as groups. [ABSTRACT FROM AUTHOR]

This article explores the interplay between trust and conflict as antecedents of team effectiveness. In the first cross-sectional study, two alternative path models are tested in a sample of 174 teams (897 participants) with the emergent states of task conflict, relationship conflict, and trust acting as mediators between team demographic diversity (gender and nationality) on the one hand and perceived team effectiveness on the other. In one model trust is considered as an antecedent for the two types of conflict, while in the other the two types of conflict precede the emergence of trust. Although the fit indices for the model in which trust is considered the antecedent of conflict were slightly better, both models fitted the data well. The interdependence of trust and conflict was further explored in a second longitudinal study (49 teams), and the results showed that trust emerging in the initial team interaction phases is a good predictor for the emergence of both task and relationship conflict in further stages of team development. [ABSTRACT FROM AUTHOR]