And, if it is right, this study also confirms a lesson learned by generations of bar-room tough guys and schoolyard bullies: if you want attention, get angry.

• 另外，如果研究的结果确凿，那么这又告诉那些在酒吧里的混混或操场上的恶棍：如果你想引入注意，发怒是最好的选择。