Multiple Choice Question

What is a disadvantage of using panels for marketing research?
Multiple choice question.

They evaluate a sample only at a single point in time.

It is very challenging to identify the most relevant dependent variable.

There are so many outside factors that reduce one's ability to control conditions.

They require continuous and complex recruitment of new individuals to replace drop-outs.

1 answer

The disadvantage of using panels for marketing research is:

They require continuous and complex recruitment of new individuals to replace drop-outs.