A child is having temper tantrums at home, at school, and at his grandparents' house. After working with the parents for a while, the therapist believes that the child is being rewarded for his tantrums in each setting because his teacher, parents, and grandparents generally give him what he wants just to make him stop yelling. The therapist devises a plan to stop his tantrums but first implements the plan at home, then the following week at school, and finally at the grandparents' home several weeks later. From a research perspective, this is an example of a(n)
a. withdrawal design.
b. multiple baseline design.
c. placebo control.
d. external validity design.
Question 2
One of the problems of using a withdrawal design as part of a single-case experiment is the
a. difficulty of measuring changes that are associated with removal of a treatment.
b. confounding factor of the placebo effect when the treatment is removed.
c. ethical issue of removing treatment that appears to be helping the patient.
d. impossibility of removing the treatment equally for the treatment subjects and control subjects.
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