Passersby were asked to evaluate what they were told were four different nightgowns and four different pairs of stockings. In fact, all four items were identical.
他们告诉路人这是四件不同的睡衣以及四双不同的袜子,并要求路人对睡衣和袜子作出评价。
They were standing in a group, in their nightgowns, barefooted, at the window, the last red rays of the west still warming their faces and necks, and the walls around them.