Transcription of Chapter 8: Factorial ANOVA - Heather C. Lench, Ph.D.
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Chapter 8: Factorial ANOVA - Heather C. Lench, Ph.D.
Chapter 8: Factorial ANOVA **This Chapter corresponds to Chapter 13 of your book (Two Too Many Factors) What it is: Factorial ANOVA is used to test the influence of two (or more) factors on an outcome. It is a variant of the one way ANOVA you learned about in Chapter 7 and is based on the same mathematical principles ( the partitioning of variance into different sources). A quick note on terminology: A factor is another word for an independent variable. Within a factor, there are levels or groupings. For example, gender is a single factor that has 2 levels (male, female). In a Factorial ANOVA , you have two (or more factors) influencing a single outcome. Those factors can have any number of levels within each.
Chapter 8: Factorial ANOVA **This chapter corresponds to chapter 13 of your book (Two Too Many Factors) What it is: Factorial ANOVA is used to test the influence of two (or more) factors on an outcome. It is a variant of the one way ANOVA you learned about in Chapter 7 and is based on
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