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# Notes7(1) - 1 1-way ANOVA Post Hoc Tests Learning...

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1 1-way ANOVA & Post Hoc Tests ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Learning Objectives Compute 1-way ANOVA and post hoc tests by hand Correctly interpret F and post hoc tests computed by hand Compute 1-way ANOVA and post hoc tests using SPSS Correctly interpret SPSS printouts ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ANOVA Partitions Variance Total variance is divided into Within groups – individual differences, nuisance variance, basically, random error Between groups – treatment effects & random error Tested with F = (treatment+error)/error. F = Between MS/ Within MS. If there is no treatment effect, F = error/error = 1. If treatment effect, F should be > 1. ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________

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2 Example: 3 Therapies Treatment of panic attacks.
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Notes7(1) - 1 1-way ANOVA Post Hoc Tests Learning...

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