A study was conducted to assess the effect of the ding Imipramine on the treatme

Question

A study was conducted to assess the effect of the ding Imipramine on the treatment of patients with agoraphobia and panic disorder. The three treatment groups were a control, a low dose of 1.5 mg per kilogram of body weight, and a high dose of 3 milligrams per kilogram of body weight. There were seventy subjects, with thirty assigned at random to the control and twenty to each of the treatments. Subjects were classified as responders or nonresponders to treatment based on a battery of psychological tests that were administered. The overall proportion of responders in the experiment is shown above. Select one: 0.4500 0.3667 0.3428

Explanation / Answer

Responder (Yes) = 6+9+9 = 24

Total Responders = 30 + 20 + 20 = 70

Therefore, overall proportion of responders in the experiment is :

24 / 70 = 0.3428

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