what is the main effect of each interaction in regression what is the difference between interaction and regression which term indicates a non-significant interaction how is an interaction in regression analysis meaningful? what is the main interaction of x1 if the interaction terms are non-significant if a major interaction is not significant, which interaction is significant what is the difference between interaction and non-significant in a regression model? what is the main interaction of the model with each interaction and why what term is used to identify interaction effect? how to find an interaction effect what is interaction term in r how to tell interaction effects in a regression model why is the interaction of the main effect significant why is interaction term important in regression? what means interaction in a regression model interaction in regression model without interaction terms what is the interaction of x1 and x2 in regression what is the main effect in regression why is interaction important if interaction terms are not significant what are the results