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.
b
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A correlational study found that wealthy children were almost twice as likely as the poorest children in the study to have autism spectrum disorder. What is the likely reason?
a. Autism and the traits of high achievers lie on the same continuum. b. The reason is impossible to determine from this correlation. c. Wealthier parents tend to put off child-bearing until they're older, which increases the risk of autism. d. Poorer children have less access to diagnosis and services for autism.
Which of the following is NOT a type of small-n design?
a. ABA reversal designs b. ABAB reversal designs c. multiple-baseline designs d. single-group posttest-only design
In persistent depressive disorder, the same symptoms of unipolar depression occur, but they are _____ severe and last at least _____.
A) less; 6 months B) less; 2 years C) more; 6 months D) more; 2 years
In Todd's conversion to a cult, he went through all-night meditation sessions in which the group continually chanted praises to the leader of the cult. These rituals do all of the following EXCEPT
a. wear down physical and emotional resistance. b. instill discipline and discourage critical thinking. c. generate feelings of commitment to this new "religion.". d. help to sort and clarify ideas regarding this new "religion.".