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011.7. Effect size for adjusted group differences in ANCOVA is reflected in which of these indexes? a. R2 b. eta2 *c. Partial eta d. Beta weights 11.8. Which of the following statements is true? a. Change scores are used as the dependent variable in ANCOVA. b. Change scores are used as the covariate in ANCOVA. *c. Change scores tend to be less reliable than scores on the original measures used to compute them. d. An advantage of change scores is that they are not susceptible to floor or ceiling effects. 11.9. Which of the following is not a test statistic for MANOVA? *a. Bartlett's test b. Hotelling's trace c. Wilk's lambda d. Pillai's trace 11.10. Which of the following statements about MANOVA is not true? a. The independent variable in MANOVA is a nominal (categorical) variable. b. Individual dependent variable's contribution to significant MANOVA results can be evaluated through stepdown analysis. c. MANOVA works best when dependent variables are highly negatively correlated. *d. There can be multiple dependent variables, but only one independent variable in MANOVA. 11.11. a is analogous to which of the following? a. R2 *b. 1 - R2 c. 1 - R d. F 11.12. The Box M test is used to evaluate which of the following assumptions? *a. Homogeneity of the variance-covariance matrix b. Sphericity c. Compound symmetry d. Homogeneity of regression across groups 11.13. A mixed design RM-ANOVA is needed when: a. A group is compared over three or more points in time *b. Two or more groups are compared over time c. Change scores over time have been computed for two or more groups d. The GLM cannot be assumed to be appropriate