Students can calculate the prediction equation of a 2x2 experiment with no interaction.
Students can represent the main effects as vectors on an acrylic cube and on paper.
Students can represent an interaction graphically on an acrylic cube and on paper. Students can calculate main effects, interactions, and the predictor equation of the 2x2 experiment. Students can state the three questions addressed in a 2x2 experiment and corresponding hypotheses. To see a Quick Time Movie of the The Factorial Experiment graph, Click the above image. File size may be large, please allow enough time for the download.