Which individual best represents the median age for the first sexual intercourse?
a) Alice, who is 13
b) Agnes, who is 15
c) Kevin, who is 17
d) Ted, who is 18
B
Psychology
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On autopsy, Dan's brain showed a high incidence of twisted and tangled neurons, along with some general cortical shrinkage. This evidence most likely suggests that Dan may have died from:
a. a major stroke b. a transient ischemic attack c. Alzheimer's disease d. atherosclerosis
Psychology
In which of the following designs is the investigator most likely to be justified in drawing causal inferences?
a) Cross-sectional designs b) Retrospective designs c) Longitudinal designs d) All of the above
Psychology