All of the following are characteristic of plateau phase changes in the aging male EXCEPT:
A) reduced myotonia.
B) decreased ejaculatory control.
C) longer duration of the plateau compared to when he was younger.
D) full erection is not obtained until just prior to orgasm.
B
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Youths who may be aggressive toward other people or animals, often displaying cruel behaviors such as using a weapon or torturing someone, assaulting and stealing from someone, or engaging in rape; destroying property, such as setting fires and vandalizing; lying to others to get something or to avoid punishment or stealing; and violating laws or rules for their age group, such as failing to
attend school, adhering to curfew, or running away from home would be diagnosed with a. attention deficit hyperactivity disorder. b. oppositional defiant disorder. c. conduct disorder. d. developmentally challenged disorder.
Regression to the mean can occur when
a. performance on two measures is not completely correlated b. there is selection on the basis of a measure correlated with the measure of interest c. a person who scores on the extremes on one test scores closer to the middle on a later test d. All of these are true.
Despite its dangers, a young man continues to take cocaine because of the feeling of euphoria it produces for him. This powerful arousal of his nervous system is probably due to cocaine's ability to
A) inhibit enzymes that break down neurotransmitters. B) increase the release of neurotransmitters. C) block the receptor sites for neurotransmitters. D) prevent neurotransmitters from being reabsorbed into presynaptic terminals.
The purpose of a control group in an experiment is to:
a. serve as a check on the interpretation of results. b. increase the ability to generalize the findings. c. manipulate the dependent variable. d. represent the general, nonlaboratory population.