Repeated Measures ANOVA Worksheet PSYC2002C Migraine headaches are a problem for many people, and one way of treating them involves relaxation therapy. A study of the effectiveness of relaxation techniques in the treatment of migraines was conducted by Blanchard, Theobald, Williamson, Silver, and Brown (1978). The data below are in agreement with those found by Blanchard et al., and represent the number of migraines for each participant over a 5 week trial period of a various relaxation techniques. The researcher was interested in determining if the use of these relaxation techniques had an effect on the number of migraines over the 5 week trial period. Subject Week 1 Week 2 Week 3 Week 4 Week 5 Subject Mean ΣΧ 1 21 22 8 6 6 12.6 63 2 20 19 10 4 9 12.4 62 7 5 5 4 5 5.2 26 25 30 13 12 4 16.8 84 30 33 10 8 6 19 27 8 7 64 17.4 87 13.0 65 7 26 16 5 2 5 10.8 54 8 13 4 8 1 5 6.2 31 9 26 24 14 8 17 17.8 89 X 20.78 20.00 9.00 5.78 6.78 12.47 ΣΧ 187 180 81 52 61 561 ΣΧΕ 10,483 N=45 PART 1: Setting the criteria Null Hypothesis: H₁₂-3 Alt. Hypothesis: HH2.3. E(df?,df?)= In words: In words: (from F critical table in lessons module) PART 2: Complete the ANOVA table and show your work for Sum of Squares calculations below: + Source SS df MS F Subjects Weeks Error Total SS SSWeeks = SS within SSsubiecte= SS PART 3: Decision and Interpretation Reject H Fail to Reject Ho Interpret Omnibus F and Eta squared: