Which study shows the best evidence of causation?
A. Hospitals that have switched to electronic medical records make more money than those using traditional records.
B. An experiment found that public housing residents randomly assigned to receive a voucher to move to a different neighborhood were more likely to get a job than those who did not.
C. Before a "get out the vote campaign," 40 percent of citizens voted in an election. After the campaign, 60 percent voted.
D. Crime statistics showed that controlling for per capita income and poverty rates, states with harsher sentencing laws have fewer drug-related crimes.
B. An experiment found that public housing residents randomly assigned to receive a voucher to move to a different neighborhood were more likely to get a job than those who did not.
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Americans seem to support a wide range of economic and social policies that commonly are classified as ______.
A. liberal B. conservative C. socialist D. fascist
The solicitor general handles all appeals to the Supreme Court on behalf of the __________
Fill in the blanks with correct word
Which of the following constitutional provisions was written in order to protect the voting rights of former slaves?
a. First Amendment b. Interstate Commerce Clause c. Fourteenth Amendment d. Fifteenth Amendment e. Second Amendment
Education policy discussions in recent years have focused on three interlocking issues: access, growth and _____
Fill in the blank(s) with correct word