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Beyond Interaction: Theories

机译:超越互动:理论

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An interaction between two factors in their effects on a dependent variable is here modelled as (first) summation of quantities derived from the two factors individually, and (second) a nonlinear relation between that sum and the dependent variable. There are only a few possible nonlinear functions that need to be considered. The dataset used as an example is a 3 × 3 table showing crossover interaction. The proposed explanation uses a quadratic curve (which has a descending limb and an ascending limb) to achieve reversal of the effect of one factor for some categories of the other factor.
机译:在这里,将两个因素对因变量的影响之间的相互作用建模为(第一)分别从这两个因素得出的数量的总和,以及(第二)该和与因变量之间的非线性关系。只有少数可能的非线性函数需要考虑。用作示例的数据集是一个3×3的表,显示了交叉交互。拟议的解释使用二次曲线(具有下降的肢体和上升的肢体)来实现一个因素对另一因素的某些类别的作用的逆转。

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