3. A psychologist is examining if a 12-week mindfulness therapy program will reduce obsessive-compulsive behaviors in adults. 14 Clients with Obsessive-Compulsive Disorder reported their average number of obsessive-compulsive behaviors per week before and aer the 12-week mindalness therapy program. Did the 12-week mindllness therapy program decrease the clients' obsessive-compulsive behaviors? [20 total points] a. Describe the statistical test to be done. [2 points] b. State the null and alternative hypotheses. [2 points] c. What is the critical value of the test statistic? What is the decision rule for rejecting the null hypothesis? [3 points] CV: Reject Ho if t d. Write out the appropriate t formula and plug in the values from the output to show you understand how the statistic is generated in the space provided. Be sure to circle the means, standard error, and observed value of t in the output. Show your work for computing etaz as well. [5 points] Paired Samples Statistics 34. 86 T. 523 2.011 30.14 6. 735 1 .500 Paired Samples Test Paired Differences Std 95% Condence Interval of the Difference Error P Before - After a 4.?14 2.301 .615 6.043 7'6 Ir 64 1 e. Write out an APA Style conclusion about the research project, in the context of the study. [8 points]