In the 1990s, ________ brought about significant change, with online panels becoming a primary source of data.
A) new software approaches
B) electronic surveys
C) automated sampling
D) survey volunteers
Answer: B) electronic surveys
In the 1990s, ________ brought about significant change, with online panels becoming a primary source of data.
A) new software approaches
B) electronic surveys
C) automated sampling
D) survey volunteers
Answer: B) electronic surveys