a. reaching a low incidence population.
b. reaching a high incidence population.
c. reaching senior citizens.
d. a survey that requires extensive probing.
8. Greenfield Online and Harris Interactive are examples of _______.
a. recruited panels
b. opt-in list rentals
c. opt-in panels
d. mail panels
e. data capture of visitors
9. In a recent study, which incentive method was most effective at raising response rates for
online surveys?
a. entering into a sweepstakes
b. free membership in a research panel
c. small cash payment for each respondent
d. none of the above
10. Which of the following is a weakness of online surveying?
a. hard to reach low incidence populations
b. more data processing required than traditional surveys
c. some respondents may be over surveyed