A chart that shows the relationship between an independent variable, the dependent variable, and a control variable is called a ____________________.
a. Bar Graph
b. Line Graph
c. Pie Chart
d. Cone Graph
b. Line Graph
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Regulation of businesses by state governments was initially the result of activity of
a. labor unions. b. the Progressive Movement. c. business groups. d. the League of Women Voters.
Which of the following describes a recent cyberattack?
A) The U.S.-Israeli virus targeting North Korea's nuclear centrifuge B) The U.S.-Israeli virus targeting Iran's nuclear centrifuge C) The Saudi virus targeting Turkish oil industry computers D) The Iranian virus targeting Iraqi military industries
The key factors in determining the accuracy of an opinion poll are
A. the sample size and the timeline over which the sample was taken. B. the sample size and whether the sample has the same percentage of men and women as the population. C. the anonymous nature of the sampling process and sample size. D. the population size and the sample size. E. the size of the sample and whether the sample was selected from the population by a random method.
Psychologists have speculated that having more acquaintances leads to better health. Research has supported this connection. Which principle of causation is met in this relation between acquaintances and health?
a. internal validity rule. b. covariance rule. c. causal ambiguity rule. d. temporal precedence rule.