[Excerpt] Does the tendency of groups to take credit for their success without acknowledging the input of specific group members affect subsequent group performance?
In a word, yes. This “group-serving bias” may cause groups to ignore or underestimate the potentially unique contributions made by each individual member, a common practice that can lead to inferior outcomes. When groups ascribe their success to individuals, they are more likely to explore a wide range of divergent alternatives before reaching consensus. Attribution to individuals also facilitates the sharing of information that is known to only one member of the group but is critical to making the right, or best, decision.