What is a prospective experimental study?
Prospective. A prospective study 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.
Are prospective cohort studies experimental?
Cohort studies are observational. The researchers observe what happens without intervening. In experimental studies, such as RCTs, the scientists intervene, for example, by giving participants a new drug and assessing the outcomes. ... Instead a prospective cohort study is observational rather than interventional.