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【多选题】
下列关于概念操作化的说法正确的有( )
A.
概念操作化分三,首先是澄清概念,然后根据理论定义下操作定义,最后根据操作定义设计调查指标
B.
概念的理论定义使用的是归纳逻辑
C.
概念的操作定义使用的是演绎逻辑
D.
调查指标是概念内涵中某一方面的指示标志,是具象的经验层面的事项
E.
操作定义是将概念转化为可测的变量形式
F.
概念的理论定义是比较抽象的
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