In expressed need, the variables include all of the following EXCEPT:
a. attempts to obtain a service.
b. demand statistics.
c. whether the service is available.
d. the percent of those that have been able to receive service after an attempt.
Ans: c
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The idea that television shows, videos, motion pictures, and other forms of media offer people a vicarious outlet for their feelings of aggression, and therefore, may reduce the amount of violence engaged in by the media consumer is referred to as
a. the vicarious outlet hypothesis. b. the cathartic effect hypothesis. c. the violence reduction hypothesis. d. the desensitization hypothesis.
Approximately how many research participants would be required for 80% power for a study using the t test for dependent means (assume a two-tailed hypothesis with an expected small effect size of .20):
A) 156 B) 196 C) 26 D) 33
Which of the following is true of conflicts in the relationships of gay and lesbian couples?
A) They fight in vastly different ways compared with heterosexual couples. B) They generally fight over the same topics as heterosexual couples. C) They fight over issues unique to gay and lesbian relationships. D) None of the answers is correct; they hardly ever disagree.
What does the quantity r refer to?
A. Pearson's correlation coefficient B. Coefficient of determination C. Covariance D. Residual sum of squares