The ________ approach usually involves the systematic collection of responses to a consumer survey instrument, such as a questionnaire, from one or more samples of respondents at one point in time. The data might be collected on more than one occasion but usually not from the same pool of respondents.
A.
cross-sectional design
B.
telemarketing
C.
casual research
D.
longitudinal design
E.
experiments
Answer: cross-sectional design