Question: For dummy*dummy interaction models: (a) What is the difference between the conditional means and the conditional effects? (b) How do you write each conditional effect

For dummy*dummy interaction models:

(a) What is the difference between the conditional means and the conditional effects?

(b) How do you write each conditional effect based on the general regression equation and/or the prediction equation?

(c) How do you interpret each coeffi cient in the model (the values that you would see in the default SAS and Stata output), including the intercept?

(d) How would your results change if you used a different reference category on one or both dummy variables?

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