Scenario: Imagine that a psychologist working with veterans with post-traumatic stress disorder wants to compare the effectiveness of several therapies focused on reducing symptoms of anxiety. The psychologist randomly sampled 20 veterans who recently returned from combat and randomly assigned each of them to receive one of four interventions for 8 weeks. A survey was used to measure the participants’ anxiety at the end of the 8 weeks. Higher anxiety scores indicate more anxiety. You can find the data for this Assignment in the Weekly Data Set forum found on the course navigation menu.
To complete this Assignment, submit answers to the following. Use SPSS to compare the mean anxiety scores with a one-way ANOVA.
Be sure to fully explain the rationale for your answer to each question, including evidence from the text and Learning Resources.
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