Click on the following links. Please note these will open in a new window.

Audio 1: Factorial Designs
Description: A factorial designs tutorial using an interesting example.
LO: 14-1: Understand how crossing levels of independent variables creates conditions in an experiment.

Audio 2: Giving Up Can Sometimes Be Good
Description: A podcast that might help stimulate students to think of “it depends” instances--that is, of examples of interactions.
LO: 14-3: Design a multifactor experiment.

Video 1: Factorial Designs
Description: A fun example of a factorial design experiment.
LO: 14-1: Understand how crossing levels of independent variables creates conditions in an experiment.

Video 2: Interpreting Main Effects and Interactions
Description: Includes a wide variety of interaction types.
LO: 14-2: Identify an interaction in an experiment.

Web 1: Factorial Designs
Description: The ins and outs of factorial designs.
LO: 14-1: Understand how crossing levels of independent variables creates conditions in an experiment.

Web 2: Finding Interactions
Description: A brief interactive (pun intended!) tutorial on detecting interaction effects.
LO: 14-2: Identify an interaction in an experiment.