进一步的实验显示参与项目的顺序——不管是20分钟的任务练习是在发生在20分钟的无关活动前还是后——都不影响学习效果。

Further experiments revealed that the order of presentation—whether the 20 minutes of target task training occurred before or after the 20 minutes of the related task—did not affect learning.

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前两个活动可能是服务调用，后一个可能是人工任务。

The first two activities might be service calls, while the latter would probably be a human task.

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在第一个步骤完成以后，后退按钮将变为活动的，从而使您可以返回到前一个人工任务。

After the first step is done, the backward button becomes active, allowing you to move back to a previous human task.

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