One disadvantage to the case study design is:
a. we can only use one subject.
b. internal validity is significantly threatened.
c. it tends to discourage the later use of more rigorous experimental methods.
d. we cannot make strong inferences.
D
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Lloyd’s roommate, Don, classically conditioned Lloyd to cringe whenever Don opened a squeaky drawer by pairing a squeak with a ping pong ball to Lloyd’s head. Lloyd wants to return the favor, so when Don is out, Lloyd discretely wires an electrode to the drawer handle to Don will be shocked when he touches it. Lloyd is using ____
a. ?negative reinforcement b. ?positive reinforcement c. ?negative punishment d. ?positive punishment
Many women do not know that they are pregnant during the ________, when exposure to teratogens can be of greatest theat.
A. time between conception and implantation B. germinal period C. early weeks of the embryonic period D. early weeks of the fetal period
Part of Roger Vogler's aversion therapy with alcoholics involves
a. the use of nauseating drugs. b. administering an electric shock to their hand. c. token economies. d. systematic desensitization.
Virginia, a young mother, notices that her baby no longer looks at the picture of the dinosaur on his bedroom wall because of repeated exposure to it. A baby's gradual loss of interest in a particular picture is an evidence of
A. habituation. B. classical conditioning. C. joint attention. D. operant conditioning.