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Analysis of Variance Designs by A. J. Guarino, Lawrence S. Meyers, Glenn Gamst

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Chapter Nine Three-way between-subjects design

9.1 A numerical example of a three-way design

In Chapter 8 we added a second independent variable into a between-subjects design to generate a two-way factorial. At this point you probably realize that we are not limited to combining just two between-subjects independent variables in research designs (although we are still limiting ourselves to analyzing a single dependent variable). Theoretically, we could combine many such variables together, despite the fact that the complexities of such designs grow exponentially as the designs get more complex. It is possible to see in the research literature some ANOVA designs using five independent variables and a few using four variables; however, three-way ...

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