Sofia Is Comparing the Effectiveness of a New Therapy on Depression

Multiple Choice

Sofia is comparing the effectiveness of a new therapy on depression with a more traditional form of treatment. She compares the prevalence of depression symptoms in 15 patients who have undergone the new therapy with the symptoms of 15 other patients who have undergone the traditional treatment. Which of the following test is most suited to the design of her study?

A) Mixed ANOVA
B) Independent samples t-test
C) Related samples t-test
D) Linear regression