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以下哪一点不符合选择研究对象的要求()
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以下哪一点不符合选择研究对象的要求()
A、明确规定总体
B、取样的随机性
C、取样的代表性
D、样本容量要大
时间:2021-09-01 20:21
关键词:
联大
玉林师范学院
幼儿教育科研方法
答案解析
D
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