In studies that examine the efficacy of psychotherapy, the control group receives no treatment is unaware of the purpose of the study has more severe symptoms than the treatment group receives an alternative treatment
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This allows researchers to compare the effects of the psychotherapy treatment to no treatment at all. Show more…
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Collectively, numerous studies of therapeutic outcome suggest that: A. insight therapy is superior to no treatment or placebo treatment. B. individual insight therapy is effective, but group therapy is not. C. group therapy is effective, but individual insight therapy is not. D. insight therapy is only effective if patients are in therapy for at least two years.
You are looking at the effectiveness of a psychotherapy treatment for depression. Your treatment group shows a greater reduction in depressive symptoms than your control group, indicating a positive result. You find that the amount of change in your treatment group in comparison to your control group would be extremely unlikely to have occurred by chance (due to random variability). Therefore, you would do which of the following? Reject the null hypothesis Retain the null hypothesis Reject the alternative hypothesis Retain the study hypothesis
Aparna S.
A student says, "The problem with single-case experiments is that there is no control group, so you don't know if the treatment is effective." The BEST reply is: "You're absolutely right." "If you use a reversal design, then participants serve as their own controls." "Researchers routinely include control participants along with the actual participants.
Akash M.
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