结果干预后研究组与对照组比较差异有统计学意义（P<0.05）。
Results There were significant difference in the two groups after intervention(P <0.05) .
因此在我们的研究中我们让一个组的人思考死亡，让另一个对照组的人去想不开心的与死亡无关的话题(例如，牙痛，还有很多)。
So in our studies we have people in one group think about death and people in a control group think about an unpleasant topic not related to death (e.g., dental pain, uncertainty).
被试者分为了三组：5岁以前失明组，14岁以后失明组，和正常对照组。通过对比这两组失明者，研究人员发现脑容量的失去与获取同失明的发生时间确实有很大相关性。
Comparing the two groups of blind individuals, the researchers found that loss and gain of brain matter depended heavily on when the blindness occurred.
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