men displayed more task leadership and women more relationship leadership
women used a more democratic or participative style than men, and men used a more autocratic and directive style
female leadership was associated with more cohesion, cooperative learning, and participative communication among team members
peers, managers, direct reports, and trained observers rated women executives as more effective than men
men rated themselves as more effective than women evaluated themselves
one study found almost no differences between men and women in their levels of hard or soft skills