南康涅狄格州立大学的研究人员们曾经对鸽子做过这样的实验,他们用大小不同、起始时间不同的几组任务,对鸽子们进行了测试。
结果发现:鸽子宁愿选择更大但更延迟的任务,也不愿选择小但需要立刻完成的任务。
鸽子的拖延症,就这样被专家们确诊了。
其实不仅仅是鸽子,动物中还有很多拖延症患者。
老鼠会选择一个大的但延迟的惩罚,而不是小的但直接的惩罚。
猴子在回报遥不可及的情况下,就会表现得很烦躁,并且开始拖延。
![](https://img.haomeiwen.com/i107114/8213035906e7b834.jpg)
Mazur JE. Procrastination by pigeons with fixed-interval response requirements. J Exp Anal Behav. 1998;69(2)185-197. doi10.1901jeab.1998.69-185
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