![]() ![]() We want to demonstrate that the contrastĬommand works just as well with regression as it does with anova so we will rerun the model using the Many researchers run their analyses using regression methods. The data are taken from Roger Kirk’s (1995) We will begin by loading the data and running an anova model. ![]() In this presentation so that we can focus on the methods involving the contrast ![]() We will not show how to adjust the p-values Note: The techniques shown on this page are considered to ben post-hoc analyses.Īs such, they require the researcher to compute adjusted p-values for the various contrasts and tests. But, of course we cannot cover every possible method that is included in the This page will show some of the ways youĬan explore interations. In this FAQ we will look at the contrast commandĪnd shown how it can be used to explore interactons.
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