4. A clinical psychologist conducts an ANOVA to determine the effect of 3 different types of therapy on depression scores, with 6 patients in each
4. A clinical psychologist conducts an ANOVA to determine the effect of 3 different types of therapy on depression scores, with 6 patients in each treatment group. The ANOVA was significant with MSerror =18. The mean depression scores for each of the groups is printed below. Conduct a Fisher's post-hoc test to determine which of the groups differed from one another. Set a= .05. ( point) X, = 34 X, = 24 T X,=23 a) What is the critical value for the above test? (1 point) (! point each) b) Compute all pairwise comparisons. Show your work! (4 points) meraine the sign of n tent, if we increased our sample Remain unching c) Interpret your findings/results. (1 point)
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