Dummy Predictor Variable and Multiple Regression
How does orthogonal coding of dummy variables differ from dummy coding and effect coding? Identify a research question from your professional life or research interests that could be addressed with dummy predictor variables in multiple regression. Specify the type of coding used. Identify the predictor variable and outcome variable. Articulate the expected outcome of the regression.
Supplement and extend consideration of the topic by including one or more of the following: new information, questions, constructive or corrective feedback, or alternative viewpoints.