Triads tend to be less stable than dyads. The upper limit is that point at which members no longer recognize and relate to one another directly. The ideal size for a group is the smallest size capable of performing the task effectively. C. Group communication has some unique advantages. Through group synergy, groups provide more input than do individuals.
Cohesive groups provide support and commitment.
Groups can meet members' interpersonal needs. Groups can meet inclusion needs, the need to establish identity by associating with others. Groups can satisfy control needs, the need to prove our worth and competence by making effective decisions. Groups can meet affection needs, the need to develop close, caring relationships with others. To get the most from groups, individuals must effectively manage group interactions.