In this video, I provide an overview of the use of dummy coding - and a bit on mean centering - in SPSS to carry out regression analysis that includes categorical predictors. I go over how you can dummy code (and mean center) predictors in SPSS, how to run your analysis with these predictors included, and how to interpret the regression output. The text file I reference in the video can be downloaded here: https://drive.google.com/file/d/1YIHSVEIv--vmPGD90qdUhrv1-NmvoT0_/view The data can be downloaded here: https://drive.google.com/file/d/1t4AirTfIBH0GgpjrPpFAXTY83Y5rBDyp/view For more videos on regression analysis, download a document containing a list of links here: https://drive.google.com/open?id=1tpqrPtS5ItaPHXzdyZ4TEdIKvGHUp26M . Thanks for watching! Please see my newest video on dummy coding (August 2021) here: https://youtu.be/PVYCpeRMvp8