why do you do multiple regression interactions how to create interaction terms in multiple regression when is interdependencies a requirement if multiple regression is required do i need interaction terms when calculating the interaction term vs dummy variables how do i create an interaction term in a multiple regression how to create a interaction term in multiple regression how to use a dummy variable in multiple regression how to create interaction terms in multiple regression model dummy variables in a multiple regression model if my categorical iv has 3 levels what is interaction term how can i test an interaction in multiple regression using a categorical iii model what is dummy variable interaction how many dummies are used during multiple regression? do you have to create an interaction term in multiple regression how to construct multiple regression interaction with categorical iv why dummy variables are used to develop interaction terms how to dummy code a multiple regression equation how do you construct an interaction with a categorical variable how many variables in a dummy variable which variable should be dummy coded for a interaction term for multiple regression