人类科学家通常是试图搞清楚一些真实世界的东西，而这些东西并不是能够通过简单的核对实验能够做出来的。
Human scientists are often trying to make sense of complex real world situations in which it is simply impossible to run controlled experiment.
科学家们总是仔细、客观地核对各种说法，并进行实验来验证它们。
Scientists always check statements and make experiments carefully and objectively to verify them.
前面两个实验，研究人员都与参与者进行了核对以了解他们是否注意到他们猜的字与正在发生的情况之间的任何联系。
In both the previous experiment the researchers checked with participants whether they had noticed any connection between the words they were unscrambling and what was going on.
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