If you were conducting survey research, which of these things is more likely than the others to undermine its validity?

a. Researchers purposely avoid discussion of controversial issues with people who are part of a prospective random sample.
b. People who are part of a prospective random sample screen their phone calls.
c. People who are part of a prospective random sample are contacted as close to Election Day as possible.
d. Researchers ask people who are part of a prospective random sample too many open-ended questions.


b

Political Science

You might also like to view...

Under the Articles of Confederation, states were free to tax the goods of other states

Indicate whether the statement is true or false.

Political Science

__________ is a small or moderate change that essentially leaves the system intact

A) Mass discontent
B) Reform
C) Dramatic system change
D) A coup d'etat

Political Science

The Supreme Court has prohibited school districts from using race when determining which students will attend which schools

Answer:

Political Science

The government agencies that are involved in gathering information about the capabilities and intentions of foreign governments are collectively known as

A. the Washington community. B. the armed services consortium. C. the intelligence community. D. the National Security Council. E. regulatory agencies.

Political Science