29. Below is the SPSS output for a one-way ANOVA cxamining the effect of treatments for OCD symptoms (participants received either no treatment, Cognitive Behavioral Therapy (CBI) only, or CBT and a drug treatment). OCD scores were measured after 8 weeks of treatment (higher scores = more symptoms). You have been provided a one-way ANOVA output as well as a table of means to help you interpret the findings of the ANOVA. Assume alpha =.05. OCD_Level ANOVA OCD Level Post Hoc Tests Multiple Comparisons Dependent Variable: OCD_Level Tukev HSD A. ( 2 points) State the null and alternative hypothesis. B. ( 2 points) Is the overall ANOVA significant? Explain how you know and what this means. C. ( 2 points) Are there any specific significant differences between the groups? Explain how you know. D. ( 2 points) If there are significant differences, explain them