This setup meant the experimenters could test the effects of an apology.

这个安排意味着实验者可以测试道歉的作用。

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Again this involved the circle dragging task, but this time the experimenters wanted to look at the effects of different types of gifts on how hard people would work.

还是那个拖圆圈的任务，但是这次实验者想弄明白不同类型的礼物对人们的努力工作程度的影响。

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