Partitioning variance - PowerPoint PPT Presentation

Factorial Analysis of Variance

Factorial Analysis of Variance. 46-511 Between Groups Fixed Effects Designs. Two-Way ANOVA Example: (Yerkes – Dodson Law). Factor B: Arousal. Factor A: Task Difficulty. Partitioning Variance. Factor B: Arousal. Variation among means on A represent effect of A. Factor A: Task Difficulty.

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Outline

Outline. Comparing Group Means Data arrangement Linear Models and Factor Analysis of Variance (ANOVA) Partitioning Variance F-test (Computation) T-test and ANOVA Conclusion. Comparing group means. Compares the means of independent variables x1 and x2 (independent sample t-test)

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298 views • 17 slides

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