A small mental health treatment center uses a standardized test to measure depression. The psychometric properties of the test are Cronbach alpha of .48 and a test re-test of .25. The test has a concurrent validity with another well-used test of .50. With so many current concerns of depression in adolescent girls, a counselor decides to conduct a study to determine if a nationally acclaimed intervention program for depression, Live Happy, could reduce the incidence of depression.The counselor develops a proposal that is accepted by the center. The counselor randomly selects four schools within the city and randomly assigns 8^th grade female students to a control group and an experimental group. The control and experimental groups are maintained within one of the four schools allowing for two schools as strictly experimental and the other two schools strictly controlled. The experimental group participates in Live Happy for a ten-week session. The control group has no intervention or activity. After the ten-week session, all students are measured using a standardized test for depression in the spring semester of the 8^th grade and again during the 10^th, 11^th, and 12^th grades. The scores are statistically compared using a MANOVA each year and a multiple regression over time. The counselor finds that the experimental group has a lower incidence of depression than the control group until the 10^th grade. Tests results in the 11^th and 12^th grades indicate an increase in depression for the experimental group and are comparable to the control group.Critique the data analyses used in the study.