Psychology 3800F/G Chapter Notes - Chapter 6: Repeated Measures Design, Type I And Type Ii Errors, Multivariate Testing In Marketing
23 Mar 2017
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Chapter 6 single factor repeated measure design. Anova data based on repeated observations of the same subjects. Spss gives out a mixed report: univariate and multivariate approach data, must choose which data is appropriate to analyze. 6 participants receiving 4 different levels of alcohol data is treated as a series of observations obtained from 6 individuals in 4 different treatment conditions. Spss spits out similar table to a completely randomized single factor design. Can calculate correlations b/n each pair of treatment conditions: would all be 0 with a completely randomized single factor design. B1-b2 2covb1b2 significantly in variance: null hypothesis same of for the completely randomized factorial design, ho: u1 = u2 = u3 = u4 = u. If all assumptions except the null hypothesis are true the f-ratio has (b-1) and (b-1)(n-1) degrees of freedom. If assumptions are not satisfied, especially circularity the f-ratio has a positive bias.
