[填空题,1分] 教育实验涉及的变量主要有______________、______________

[填空题,1分] 教育实验涉及的变量主要有______________、______________和_____________。其中,____________

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4【判断题】A degree that is more than that is justfiabl

4【判断题】A degree that is more than that is justfiable or desirable.我的答案:√

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