实验观察法
实验观察法:研究者根据研究的目的,在对观察对象发生的环境和条件加以控制或改变的条件下进行的观察。
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上一篇:Choose the closest paraphrased version after each of the following sentences or the italicized part. Blacken the letter corresponding to your choice on the answer sheet. We can't call ourselves Christians and then deny safety to
Choose the closest paraphrased version after each of the following sentences or the italicized part. Blacken the letter corresponding to your choice on the answer sheet.
We can't call ourselves Christians and then deny safety to
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