Dr. Wilson is investigating the effects of different types of exercise on stress levels. He has a group of participants engage in three types of exercise (yoga, running, and weightlifting) over three different weeks, measuring their stress levels at the end of each week. To determine if there are significant differences in stress levels across the three types of exercise, the appropriate statistical test for this comparison is a _____. a. chi-square test b. independent measures t-test c. repeated measures ANOVA d. correlational analysis e. one-way ANOVA