Why do ABAB designs aid in making conclusions about the effects of treatment?
a) Because ABAB designs do not require a baseline assessment.
b) Because ABAB designs show the effects of no treatment over time.
c) Because the reversal phase and corresponding changes in behavior usually make rival hypotheses implausible.
d) Because the reversal phase demonstrates that the behavior change will not revert to previous levels
Correct Answer: c
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What was a major factor for the increase in human populations?
a. A large stable base of calories. b. The hunter-gatherer societies. c. Reduction of common diseases. d. Access to better medical care.
Which of the following is not a reason that psychotropic drugs have become more prescribed in recent years?
a. Fewer side effects. b. Decreased risk of overdose. c. Decreased stigma of mental illness. d. They provide cures for many types of mental disorders.