Run a repeated-measures analysis of variance on the data in Exercise 18.1 and explain your results. Exercise

Question:

Run a repeated-measures analysis of variance on the data in Exercise 18.1 and explain your results.

Exercise 18.1

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 that follow are in agreement with those found by Blanchard et al. (Their study was more complex than the one examined here.) I have calculated to save you work. image text in transcribed