Tina has a heavy class load and is spending a lot of time studying, to the dismay of her beloved dog, Bobo. When Bobo walks over and puts his chin on Tina’s leg, she pets him and gives him a treat from the bag she keeps in her desk drawer. As a consequence, he continues walking over and putting his chin on Tina’s leg. Tina has used ____
a. ?positive reinforcement
b. ?negative reinforcement
c. ?positive punishment
d. ?negative punishment
a.
?positive reinforcement
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Suppose that the correlation between height and weight for adults is +.75 . What proportion (or percent) of the variability in weight is accounted for by the relationship with height?
a. 75% b. 25% c. 56% d. unable to determine
Dr. Martin is a psychiatrist who uses drugs in combination with psychoanalysis, cognitive therapy, and behavior therapy in her practice. Dr. Martin would be classified as what kind of therapist?
a. ?pharmocoanalytic b. ?eclectic c. ?generalist d. ?humanistic
Behavior that is oriented toward others for the sake of helping them, without expecting a reward, is called ______.
A. empathy B. sympathy C. prosocial behavior D. social reciprocity
Individuals with high scores for aggression more often have a particular variant of the ____ allele, which regulates _____
a. MAOA; serotonin metabolism b. MA-L; dopamine turnover c. MAA; serotonin receptors d. MAOA; dopamine receptors