April 14, 2008

April 14, 2008 - groups) II. Effect size A. Omega squared...

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April 14 Outline I. t for independent groups A. Independent groups design B. Sampling distribution of the difference between means C. Equation + - + + - - = - 2 1 2 1 2 1 2 1 1 1 2 ) ( 2 1 n n n n SS SS X X t X X obt μ D. Example E. SPSS (different ways of defining
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Unformatted text preview: groups) II. Effect size A. Omega squared Omega squared: an estimate of the proportion of the total variability of the dependent variable that is accounted for by the independent variable...
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April 14, 2008 - groups) II. Effect size A. Omega squared...

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