Which type of study allows the researcher to see the causal mechanism in progress?
a. Valid studies
b. Qualitative studies
c. Case studies
d. Quantitative studies
e. Empirical studies
C
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Multiple regression analysis produces a _________________ for each independent variable in the model.
a. Partial regression coefficient b. Partial correlation coefficient c. Partial chi-square d. Partial adjusted R-square
Random assignment of participants to groups increases the probability
A) that all participants will finish the experiment. B) that the groups are equivalent at the beginning of the study. C) that the groups are equivalent at the end of the study. D) that the groups are different from one another.
The population of which of the following racial/ethnic groups increased at the fastest rate during the 1990s?
a. whites, European Americans b. African Americans c. Native Americans d. Latinos e. Asians
Which answer characterizes third parties in U.S. politics?
A.) Third-party candidates almost always come from the liberal end of the ideological spectrum B.) Third-party candidates can draw attention to issues that might otherwise not be addressed C.) Third-party candidates are not permitted by law D.) Third parties have had great deal of electoral success over the years