The researcher notices that the vocabulary level is also associated with intelligence level, so he determines that the research design must hold the level of intelligence constant to get a good idea of the relationship between pleasure reading and

vocabulary level. Intelligence here is an example of what type of variable?
a) moderator variable
b) dependent variable
c) control variable
d) extraneous variable

c

Political Science

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On average, women earn 75 percent of what men earn

Indicate whether this statement is true or false.

Political Science

Governmental growth during the twentieth century may be attributed to all BUT WHICH of the following?

a. World War I and World War II b. the Great Depression c. massive immigration d. Great Society programs

Political Science