Answer:
The researcher would choose the "Prospective study" design.
Explanation:
A prospective unit study is a longitudinal unit learning that trails over time a collection of alike persons who vary with admiration to convinced issues under learning, to govern how these issues disturb charges of a convinced consequence. The prospective study in the exploration depicts a prospective study that watches for outcomes, such as the development of a disease, during the study period and relates this to other factors such as suspected risk or protection factor(s). The study usually involves taking a cohort of subjects and watching them over a long period.
