What factor often causes polls to have surprising or unreliable results?
a. Random-digit dialing
b. Providing a no opinion option
c. Complicated questions
d. A random sample of the population
e. Surveying likely voters
Question 2
As many citizens eligible to vote do not cast ballots, pollsters often try to identify and question ___________ voters.
a. older
b. likely
c. reliable
d. swing
e. responsible