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Seaguller 发表于 2013-11-20 21:51 ![]()
. w: H+ I0 g p& V( Q3 O# n9 f+ I谢谢罗老师的解惑!就是现在还没有成熟的方法可以这样做。还有一个就是,如果我们先考虑带有二次项的中介 ...
- `# ~: X7 i. }Seaguller你好,
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) v( m) B! W8 h! Q& w" i! f$ q/ i我存了一个文档(忘记哪里存来的了……),上面reference是Aiken and West (1991)。我觉得可以回答你的问题。我偷懒不翻译了,这样可以吗?![](static/image/smiley/default/tongue.gif)
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/ T# _' I7 q, V“all lower order terms need to be included in the regression: so, if you have an independent variable A and moderators B and C, then to test whether there is a three-way interaction you would need to enter all the following terms: A, A*A, B, C, A*B, A*C, A*A*B, A*A*C, B*C, A*B*C, A*A*B*C. It is only the last, however, that determines the significance of the three-way quadratic interaction.” |
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