Directive leadership is associated with poorer decisions because subordinates sometimes feel too weak or insecure to speak up (Granstrom & Stiwne, 1998; McCauley, 1998).Groups do prefer supporting over challenging information (Schulz-Hardt et al., 2000).When members look to a group for acceptance, approval, and social identity, they may suppress disagreeable thoughts (Hogg & Hains, 1998; Turner & Pratkanis, 1997).Groups that make smart decisions have widely distributed conversations, with socia