What type of research design should a researcher use if he/she wishes to determine conclusively the effect of a change in price on the sales of a particular brand of soap?
A) Basic research
B) Longitudinal
C) Causal
D) Exploratory
E) Descriptive

Question

Quizplus · Accepted Answer

Causal research design is used to determine the cause-and-effect relationship between variables, such as the effect of a change in price on sales.

What Type of Research Design Should a Researcher Use If