Kaplan, Lorf, and Sterk (1987) studied heroin addicts by identifying a single user and getting names of others to be sampled. These new individuals then provided names of others from the population of interest. This sampling technique is called
a. key informant sampling.
b. targeted sampling.
c. snowball sampling.
d. probability sampling.
c
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Use of the Internet to bully others is called ____
a. identity theft b. virtual littering c. antisocial behavior d. cyberbullying
According to your text book, if a sexual problem is classified as an acquired sexualdysfunction, it is more likely to have what type of cause?
a. A biological factor b. A psychological factor c. A religious factor d. A medical factor
According to Seligman, learned helplessness results because people learn that
a. they are powerless to avoid punishment. b. successful escape attempts will be punished. c. failure has certain rewards connected to it. d. only predictable shocks can be avoided.
Which brain structure contains the suprachiasmatic nuclei that control circadian
rhythms? a. Hypothalamus b. Hippocampus c. Corpus callosum d. Cerebellum e. Thalamus