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将教育观察法分为自然观察法和实验观察法的依据是()

单选题
2021-09-06 21:25
A、是否控制观察环境条件
B、是否借助仪器设备
C、观察者是否直接参与被观察者的活动
D、是否有一定结构的内容
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正确答案
A

试题解析

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