The three-way ANOVA is used to determine if there is an interaction effect between three independent variables on a continuous dependent variable i. As such, it extends the two-way ANOVA , which is used to determine if such an interaction exists between just two independent variables i. Note: It is quite common for the independent variables to be called "factors" or "between-subjects factors", but we will continue to refer to them as independent variables in this guide. For example, you might be interested in the effect of two different types of exercise programme i. However, you are concerned that the effect that each type of exercise programme has on marathon running performance might be different for males and females i. Indeed, you suspect that the effect of the type of exercise programme on marathon running performance will depend on both your gender and body composition.
How to write an APA results section
How to carry out and report a three-way ANOVA using Stata | Laerd Statistics
Writing up a 2 x 2 x 2 between-subjects factorial design. Recall that when you are writing up a results section you want to cover three things: a Tell the reader the analysis that was conducted. Be sure to include means and standard deviations either in the text or in a table. Below you will find descriptive information and an analysis of variance summary table. This table is from an experiment that investigated whether physically attractive vs.
Three-way ANOVA in Stata
Published on October 27, by Bas Swaen. Revised on February 15, by Shona McCombes. This is where you report the main findings of your research.
Consistency of verb tense helps ensure smooth expression in your writing. The practice of the discipline for which you write typically determines which verb tenses to use in various parts of a scientific document. In general, however, the following guidelines may help you know when to use past and present tense. If you have questions about tense or other writing concerns specific to your discipline, check with your adviser.