The most effective group leaders are those perceived as highly energetic, supportive, and flexible in their style, who provide stimulation for the group and opportunity for emotional expression and closeness. This positive confronting style is contrasted with an intrusive-aggressive or challenging style. (Author/JMF)

Examined assertive bids of elementary school children engaged in a cooperative task. Results from kindergarten and grade one participants support previous research regarding greater male assertiveness and attempts to influence other boys. By grade three, girls' overall assertiveness equaled that of boys. (Author/DB)