Multiplicative Interactions

Author(s): Alrik Thiem
Journal Title: Wolfram Demonstrations Project
Publisher(s): Wolfram Research
Publication Year: 2011

Interaction models have been popular in the social sciences. However, recent reviews have revealed serious problems with regard to their construction and interpretation. In particular, the exclusion of constituent variables has led to the specification of incorrect models, in the sense of a mismatch between model form and the objective of the researcher formulating the model. The demonstration illustrates the consequences of not including all constituent variables for the estimation of marginal effects.

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