But it apparently worked for African-American middle school students who engaged in a simple self-affirmation writing exercise.
但是对于参加了一个简单的自我肯定的写作练习的非裔美国中学生来说，这个方法显然起作用。
Following the writing exercise, researchers created a small skin puncture on the participants' upper arms.
写作练习之后，研究者们在参加者的上臂做一个小的皮肤穿刺。
Following the writing exercise, researchers created a small skin puncture on the participants' upper arms.
写作练习之后，研究者们在参加者的上臂做一个小的皮肤穿刺。
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