Question
)A clinical psychologist is interested in evaluating the effectiveness of the following three techniques for treating mild depression:cognitive restructuring, assertiveness training, and an exercise/nutrition program.
)A clinical psychologist is interested in evaluating the effectiveness of the following three techniques for treating mild depression:cognitive restructuring, assertiveness training, and an exercise/nutrition program. Forty undergraduate students suffering from mild depression are randomly sampled from the university counseling center's waiting list and randomly assigned 10 each to the three techniques previously mentioned and the remaining 10 to a placebo control group.Treatment is conducted for 10 weeks, after which depression is measured using the Beck Depression Inventory. The post-treatment depression scores are given here.Higher scores indicate greater depression.
Treatment
Placebo Cognitive restructuring Assertiveness training Exercise/nutrition
27 10 16 26
16 8 18 24
18 14 12 17
26 16 15 23
18 18 9 25
28 8 13 22
25 12 17 16
20 14 20 15
24 9 21 18
26 7 19 23
Conduct a one-way anova and copy and paste the output below.
Compute omega squared and Cohen's F and list those below.
Omega squared =
Cohen's F =
Conduct subsequent tests using Tukey.
Critical Difference for Tukey =
11.61620.922.8
11.6----4.49.311.2
16--4.96.8
20.9-1.9
22.8---
Conclusions for Tukey
16. (17 points). Learning performance was evaluated for students who read a passage printed on paper or on a computer screen (mode of presentation). The passage reading time was either self-regulated or controlled by the experimenter (Time control). The dependent variable is performance on a quiz covering the text
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