Design a factorial MANOVA study. Your design should clearly describe the nature of the study (experimental vs. nonexperimental), the factors (what they are and how many levels each factor has), and the outcome measures (whether they are multiple measures of the same construct or measures of different but correlated outcomes). What pattern of results would you predict, and what follow-up analyses do you think you would need?
Answer to relevant QuestionsHow is the Wilks’s Lambda statistic obtained from the within-group and total SCP matrices? In a one-way ANOVA, what does Wilks’s Lambda correspond to? How is Wilks’s Lambda interpreted in a MANOVA? Suppose that you plan to do a one-way MANOVA with 5 groups, using α = .05. There are four outcome variables, and you want to have power of .70. For each of the following effect sizes, what minimum number of cases per cell ...Three different methods were presented for the computation of scale scores: summing raw scores on the X variables, summing z scores on the X variables, and saving factor scores from a FA of a set of X variables. (Assume that ...Explain the terms in this equation: X = T + e. You might use a specific example; for instance, suppose that X represents your score on a measure of life satisfaction and T represents your true level of life satisfaction. Examine the data in Table 21.5, which report the outcomes for the Physician’s Health Study that assessed the effect of a low-dose aspirin regimen on risk of heart attack. a. For the group of patients that had the low-dose ...
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