然后在这些参与者的一个眼睛前展现出一张人头像的图片，在另一只眼睛中展示一个房子或者其他物品的图片。
So the participants were presented with an image of a face in one eye, and a picture of a house in the other.
之后的结果由另外的100个人来判定，这些人把面部结果认为是有魅力的，使研究者们得出一些展现男性和女性魅力原型的复合图片。
Thee results were then judged by another 100 people, who rated them for attractiveness, allowing researchers to create composite pictures showing the archetypal faces of male and female beauty.
Williams和Mattingley博士的研究图片展现给参与者看。这些图片上的表情混为四组或八组。
Dr Williams and Dr Mattingley showed the participants in their study photographs of these emotional expressions in mixed sets of either four or eight.
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