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1963年,罗森塔尔和福德做了这样一个实验:实验者是一群孩子,实验对象是一群老鼠。他们告诉孩子们用来进行迷宫实验的老鼠来自不同的种系,有聪明鼠和笨拙鼠。实际上,老鼠来自同一种群。但是,孩子们的实验结果却得出了聪明鼠比笨拙鼠犯的错误更少的结论,而且这种差异具有统计显著性。罗森塔尔和福德对孩子测试老鼠时的行为进行了观察,并没发现欺骗或做了其他使结果歪曲的事情。似乎可以推断,拿到聪明鼠的孩子比那些拿到笨拙鼠的不幸孩
In 1963, Rosenthal and Ford made such an experiment: the experimenter was a group of children and the subjects were a group of rats. The mice they told their children to use to experiment with the maze come from different germ lines, smart mice and stupid rats. In fact, mice come from the same group. However, the experimental results of the children reached the conclusion that smart mice made fewer mistakes than clumsy mice, and the difference was statistically significant. Rosenthal and Ford observed the behavior of their children when they tested mice and found no deception or other distortions. Seems to be inferred that getting a smart rat kid out of luck for those less fortunate than those who get stupid rat