What Was the Effect of Sampling Frames as Shown in the Focal

Multiple Choice

What was the effect of sampling frames as shown in the focal research by Keeter,Dimock,and Christian?

A) there was no difference in results by surveys completed by land line users and surveys completed by land line and cell phone users.
B) there was a difference in results by surveys completed by land line users and surveys completed by land line and cell phone users.
C) land lines are becoming obsolete.
D) surveyors shouldn't call respondents on cell phones.
E) none of these are true.