Dr. Brown conducts an experiment to examine the effects of mentorship programs on children's academic achievement. She finds that children who are given mentors receive significantly higher grades than children who are not. The result is statistically significant at the .05 level. What does this mean?
a. The finding probably occurred by chance; mentorship programs probably DO NOT really improve academic achievement.
b. The finding probably did NOT occur by chance; mentorship programs probably DO boost academic achievement.
c. The finding was larger than expected; mentorship programs appear to be even more effective than Dr. Brown suspected.
d. The finding was smaller than expected; mentorship programs appear to be less effective than Dr. Brown suspected.
B
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Sheryl is mentally ill. As such, she can be involuntarily committed to a mental institution by the court system if she
a. is dangerous to self or others. b. is incapable of making responsible decisions about self-care and hospitalization. c. requires treatment or care in a hospital. d. any of the above
The excitation-transfer model suggests that arousal in one situation can carry over into a completely different situation. Such arousal is referred to as:
a) non-specific arousal b) situational arousal c) residual arousal d) excitation
If an animal with a history of cocaine administration demonstrates increased behavioral activation following an injection of morphine, this is evidence for
a. behavioral tolerance. b. generalization. c. cross tolerance. d. cross sensitization. e. none of the above. Cocaine and morphine belong to different drug classes and cannot influence one another.
The percentage of U.S. citizens that support same-sex marriage has increased in the past 20 years from 27% to ______.
A. 61% B. 75% C. 80% D. 90%