Codeine, heroin, and morphine all ____ and are derived from the ____
a. stimulate the central nervous system; cannabis plant
b. stimulate the central nervous system; coca plant
c. depress the central nervous system; opium plant
d. depress the central nervous system; marijuana plant
c
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What is a problem with current tests of "emotional intelligence"? a. For many items, no one is sure what the correct answer is
b. Many people get far higher scores on the test than other people do. c. Many items are so complicated that highly educated people have an unfair advantage. d. The tests require expensive equipment that is unavailable in most places.
Of the following early sexuality researchers, who would most likely label homosexual behavior as pathological?
a. Magnus Hirschfeld b. Richard von Krafft-Ebing c. Katherine Bement Davis d. Clelia Mosher
As an option for treating Parkinson's patients, transplantation of stem cells appears to be ____
a. the most effective technique b. more effective in late stages of the disease c. modestly effective, as with other treatments d. not at all effective
Suppose a researcher has made a decision that a certain pill is not effective at treating depression when, in reality, it is. What has the researcher done in this case?
a. The researcher has made a Type II error. b. The researcher has made a Type I error. c. The researcher has made a correct decision to reject the null hypothesis. d. The researcher has made a correct decision to reject the alternative hypothesis.