The onset of puberty for Molly was at the age of 9. Her mother entered puberty at the age of 11, and her grandmother entered puberty at the age of 13. This best illustrates a
A. sexual difference.
B. physiological trend.
C. cross-sectional section.
D. secular trend.
Answer: D
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A professor gives a special tutoring session to students who scored less than 60 percent on the first test. On the second test, their mean score rises to 70 percent. What conclusion can we draw, if any, and why?
a. The tutoring helped, as we see from the higher scores. b. The tutoring helped, because without it those students would have been discouraged. c. We should draw no conclusion, because there was no control group. d. We should draw no conclusion, because the study had too many independent variables.
____________________ sleep consists of Stages 3 and 4 sleep, during which low-frequency delta waves become prominent in EEG recordings
Fill in the blank(s) with correct word
For generalized anxiety disorder (GAD), the typical pharmacological treatment of choice has been the category of drugs known as a. benzodiazepines. b. SSRIs
c. tricyclics. d. MAO inhibitors.
Dopamine receptors appear responsible for
a) primarily positive symptoms. b) primarily negative symptoms. c) the onset, but not the maintenance, of schizophrenia. d) the maintenance, but not the onset, of schizophrenia.