During ga second experiment, a separate group of women was given a drop of testosterone under their tongue just before they were going to solve the maze puzzles.
在第二个试验中，研究人员向一组单独的女性试验对象的舌下滴一滴睾丸素，然后让她们进行迷宫测试。
Each separate group in the experiment represents a different condition as defined by the level of the independent variable.
就是把数目相同的被试分配到自变量的不同水平或不同的自变量上。
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