Suppose you are interested in measuring consumers' opinions repeatedly over time in order to see if there is a change in these opinions. Which type of methodology would be most appropriate for you to use?
A) Focus groups
B) Longitudinal studies
C) Experiments
D) Shadowing studies
E) None of the above.

Question

Quizplus · Accepted Answer

Longitudinal studies are designed to collect data from the same subjects repeatedly over a period of time. This makes them ideal for measuring changes in consumers' opinions over time.

Suppose You Are Interested in Measuring Consumers' Opinions Repeatedly Over