Answer :
Answer:
prospective
Explanation:
A prospective study often known as a prospective cohort study is a type of cohort study, or group study, where participants are enrolled into the study before they develop the disease or outcome in question. Prospective studies usually last a few years, with some (like the case of the Framingham Heart Study) lasting for decades.
There is a certain criteria the study participants have to meet certain criteria to be involved in the study. For example, they may have to be of a certain age, profession, or race. Once the participants are set in motion, they are under studied for a period of time to see who gets the outcome in question (and who doesn’t). Usually, the research is conducted with a goal in mind and participants are periodically checked for progress, using the same data collection methods and questions for each person in the study. Follow ups might include any of the following Email questionnaires, p hone, internet, or in-person interviews, physical exams, i maging or laboratory tests.