A federal republic derives its powers from the
A) ?people.
B) ?states.
C) ?Congress.
D) ?courts.
E) ?president.
A
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Variables are classified based on their
A) nature and use. B) validity. C) constraint levels. D) use and validity.
Which type of survey question is best suited to addressing concerns about errors in public opinion polling resulting from difficulty in measuring intensity?
A. questions with simple yes-or-no options B. questions with approve-or-disapprove options C. questions with five to seven options, ranging from strongly agree to strongly disagree D. questions with interviewee-bias measures built in
The United States is forming a stronger strategic alliance with __________, partly to counter the rising power of China
a. Pakistan b. India c. Russia d. Japan
A serious weakness of the pretest-posttest, natural control-group design is that
A) the two groups may be statistically different from each other at the start of the study. B) the two groups may be statistically equivalent at the start of the study. C) experimenter effects cannot be prevented. D) there is no control for effects due to history or maturation.