Methamphetamine is stronger than d-amphetamine because
A. it can cross the blood-brain barrier more easily
B. it is less susceptible to abuse
C. it more nearly resembles levoamphetamine
D. it bears no resemblance to dopamine or norepinephrine
A. it can cross the blood-brain barrier more easily
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How would a child with an XX pairing on the 23rd chromosome be genetically classified?
A. male B. monozygotic C. dizygotic D. female
Freud believed that many psychological problems were the result of
a. feelings and emotions repressed during childhood. b. genetic factors. c. organic disturbances. d. the identity crises
The primary source where original research is usually first reported is
A) PsycINFO. B) Psychological Bulletin. C) a journal article. D) textbooks.
Which of the following items was an independent variable in this experiment? Please select all that apply.
a. The sex of the people on the photos b. Whether the person in the photo was armed c. The race of the people in the photos d. The type of weapon held by the armed people in the photos e. Whether the participant decides to shoot or not