不过，还有一种可能性：或许漂亮的人在工作中表现得更为出色。
There is, however, another possibility: perhaps beautiful people are better at their jobs.
这里证明了反应度的一种表现形式：当人们知道有人在观察其活动时，他们受到激励而改变行为，一般来说会表现得更出色。
This demonstrated a form of reactivity; when individuals know they are being watched, they are motivated to change their behavior, generally to make themselves look better.
仅仅是祝你好运，说一句“我为你拇指相摁”-一种德国交叉双手的表达方式——使得志愿者在一项要求灵活性的任务中表现出色。
Just wishing someone good luck - with "I press the thumbs for you," the German version of crossing your fingers - improved volunteers' success at a task that required manual dexterity.
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