Average size of farm (SIZE) and percent of farms with sales of $100,000 or more dominate the regression of percent of farmers voting yes for the American Beef Council check-off (YES) on characteristics of farms and operators by counties in Montana. In fact, there is a strong interaction of these factors on the percentage approval. We advise standardizing the dependent variable (YES) and the two main variables (SIZE and SALE). Then calculate the product term. The standardized regression coefficients for the main variables will indicate the standardized slopes at mean X and the product term will indicate the change in standardized slope per standard deviation unit of the other variable.