Concurrent powers have which of the following effects on the United States political system?

They reinforce the expansion of the power of the national government and the supremacy of the national law.
They eliminate disputes between the states and the national government by creating completely separate spheres of influence.
They foster cooperation between the states and the national government by requiring that the two levels of government make the same decisions.
They make it possible for the states and the national government to simultaneously exercise influence in the same areas of public policy.

Which of the following policies would an individual who identifies as a Democrat most likely support?

Reducing regulations on Wall Street to stimulate economic growth
Decreasing the role of the federal government to ensure access to health care
Increasing federal enforcement of immigration laws
Strengthening anti-discrimination policies for married gay couples

Which of the following scenarios best reflects the process of political socialization?

An individual takes a civics course in school and develops opinions about politics.
Members of Congress increasingly vote the same way as other members of their party.
A group is able to attract new members by offering access to a broad network of people.
As media choices increase, individuals expand their media consumption to new sources.

Why would a company use a random dialing service to contact people for a public opinion poll?

To contact specific people they think are right for the poll
To save money sending people door to door
To get a truly random sample
To utilize new technology

Use the description below to answer the question that follows.
“In a public opinion poll of a representative sample of a population, 1,200 people were asked to agree, disagree, or express neutrality toward the following statements.

Statement A: The government should spend more money on welfare.
Result: 35·percent of the respondents agreed.
Statement B: The government should spend more money on helping the poor.
Result: 60·percent of respondents agreed.”

Which of the following most likely accounts for the different results?

The questions were not open-ended.
There were no welfare recipients in the sample.
The sample size was not large enough to be reliable.
The questions contained a difference in wording.

A recent poll indicates that 60 percent of all people in the United States support a flat tax system. Which of the following supports the credibility of the poll result?

The poll reported a sampling error.
The poll was conducted online
The poll was administered to several thousand people who were called using random-digit dialing
Before the question was asked, respondents were told that a flat tax system is fairer than a progressive tax and will lead to economic growth.