Lecture video for “Data Sense: An Introduction to Statistics for the Behavioral Sciences” by Barton Poulson. This video covers Chapter 10: The Analysis of Variance (ANOVA), Section 08: Two-Way ANOVA. It explains how two predictor variables or factors can be used simultaneously to examine their separate and joint effects on the outcome variable, known as main effects and interactions, respectively. The book and complete set of videos may be purchased at http://kendallhunt.com/poulson/.