两个学生一组
Two students form a group
以上为机器翻译结果，长、整句建议使用 人工翻译 。
在第二个实验中，50名学生被同质地分为两个组，这一次两组被试都在光线强度相同的明室中进行实验，其中一组被试被要求佩戴墨镜，另一组则佩戴透镜。
In the second experiment, 50 students were similarly divided into two groups, this time in equally bright rooms, but one group was given sunglasses to wear and the other glasses with clear lenses.
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