A research group plans to analyze the effect of college education on the social behavior of Americans. To increase the likelihood that any difference between the control group and the experimental group is due to the effect of the independent variable, the research group should _____.
Fill in the blank(s) with correct word
Ans: increase the sample size
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An ideology that justified prejudice or discrimination based on age is referred to as:
a. ageism b. gerontocracy c. geriatrics d. agoraphobia
In a survey of 48 nation-states, Seymour Martin Lipset concluded that democratic political institutions are correlated with all of the following EXCEPT the:
a. literacy of its citizens b. nation's degree of urbanization c. nation's level of economic development d. number of political parties
Which of the following is the origin of birth for the largest segment of the foreign-born living in the U.S.?
a. Africa b. Mexico c. Europe d. Central and South America
Which of these was not one of the early medical uses for amphetamine first studied in the 1930s?
A. Weight control B. Treating anxiety C. Treating narcolepsy D. Treating hyperactivity (ADHD)