Video and Multimedia
Video Clips
Brief introduction to factorial ANOVAs (5:59).
This video defines main effects, interactions, and the relationship between the two. It also discusses an example and plots the means for an interaction (10:00).
Description of main effects and interactions in factorial ANOVA experiments (11:25).
This video describes factorial ANOVA and the type of variables that are included. Includes interesting example to further illustrate the concepts (9:09).
This engaging video discusses a two factor research design using an interesting topic: physical attractiveness (15:42).
Audio Clips
Further clarifies what an interaction is and when it occurs. A powerpoint is provided but it can be used as audio only (3:33).
Lecture on threats to internal validity (16:40).
This entertaining lecture by Dave Brodbeck describes factorial ANOVA (57:13).
Another factorial ANOVA lecture by Dave Brodbeck (53:44).