第一种是一种定时任务，要求记忆一张单子，然后进行一个简短的测试，让受试者经受一段关于外科手术的血腥视频。
In the first, a timed task that required memorizing a list followed by a short test, subjects through a gory video on surgical procedures.
据说，在5000至6000年前，中东和北非的人们开始分配特定时间段来完成任务。
It is suggested that 5,000-6,000 years ago people in the Middle East and North Africa started to allot specific lengths of time to tasks.
几年前我做过一项研究，要求拖延者在特定时间完成一项任务。
I did a study several years ago, asking procrastinators to finish a task in a certain period of time.
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