If one fraternal twin is depressed, what percent chance does the other fraternal twin have of suffering depression?
a. 19 percent
b. 33 percent
c. 52 percent
d. 67 percent
A
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M. R. Rosenzweig examined rats by studying the ______
a. behavioral effects of lesions in different parts of their brains b. sexual orientation effects of prenatal exposure to maternal hormones c. effects on their brains of exposure to impoverished or enriched environments d. effects on their brains of electrical stimulation to the frontal and parietal lobes
Because __________ and __________ require that the participant lie as motionless as possible for an extended time, they are not suitable for infants and young children
A) EEG; PET B) ERPs; fMRI C) NIRS; PET D) PET; fMRI
Kevin is a good student. He studies hard because when he does he gets the teacher's approval. His studying behavior was probably learned through ________
a. generalization b. operant conditioning c. classical conditioning d. trial and error
Which of these is the most accurate way to describe the psychosocial impact of a peer group on adolescents?
A. Teenagers' psychological problems are fully formed before any interaction with peer groups, so these groups do not cause psychological problems. B. Teenagers' psychological problems can come from problems with peers and can cause problems with peers. C. Teenagers' psychological problems can cause problems when interacting with peers, but the problems do not come from peer interaction. D. Teenagers' psychological problems come from interactions with peers rather than from other sources.