老师要求每五个学生为一组合作,每组一起写一篇文章。
The teacher asked every five students to work in one group and each group should write one article together.
而实验对照组仅仅写一些在他们生活中的日常琐事。
A control group merely wrote about a routine event in their lives.
另一组20位男女(对照组)写一些关于看电视的事儿。
Another group of 20 men and women (the neutral group) wrote about watching TV.
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