___ is used in telephone surveys to overcome the problems of unlisted and new telephone numbers.
a. Computer-assisted telephone interviewing
b. Random digit dialing
c. Telephone master listing
d. Caller ID
Answer: b. Random digit dialing
___ is used in telephone surveys to overcome the problems of unlisted and new telephone numbers.
a. Computer-assisted telephone interviewing
b. Random digit dialing
c. Telephone master listing
d. Caller ID
Answer: b. Random digit dialing