So, what two investigators at the University of British Columbia did is they simply positioned, once again, an attractive actor or confederate on one side of the bridge.

因此，在剑桥大学里，两个调查者所做的,同样是安排，一个迷人的演员或助手站在桥的一侧。

耶鲁公开课 - 心理学导论课程节选