According to recent research, which of these increase risk-taking behavior in adolescents?
A. synaptic expansion and the thinning of white matter
B. the neurotransmitters epinephrine and histamine
C. synaptic pruning and the thinning of gray matter
D. the neurotransmitters serotonin and dopamine
Answer: D
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Marvin has an exceptional amount of skill in athletics. Specifically, he is an extraordinary hockey player. Throughout his life he has chosen circumstances where he would be exposed to peers who also enjoyed hockey, and this has helped him develop opportunities to develop his talent. Marvin has been engaging in a. genotyping
b. phenotyping. c. niche-picking. d. heritizing.
An independent-measures research study uses two samples, each with n = 15 participants. If the data produce a t statistic of t = 2.760, which of the following is the correct decision for a two-tailed hypothesis test?
a. Reject the null hypothesis with ? = .05 but fail to reject with ? = .01 b. Reject the null hypothesis with either ? = .05 or ? = .01 c. Fail to reject the null hypothesis with either ? = .05 or ? = .01 d. Cannot answer without additional information
The public health perspective of conduct problems attempts to reduce ____ associated with youth violence
a. injuries and deaths b. negative media c. school failure d. public policy mistakes
Regarding the Stanford Prison study, which of the following statements is FALSE?
a. Philip Zimbardo conducted the Stanford Prison study in which he paid normal healthy male college students to serve as "inmates" and "guards" in a simulated prison. b. The students were selected to play the roles of "prisoners" and "guards" based on personality profiles. c. The ascribed social roles of prisoner and guard were so powerful that in just a few days the experiment became "reality" for those involved. d. After just six days, the experiment had to be halted.