You have been tasked to carry out a study assessing weight and exercise. You enroll 100 participants and weigh them all. You ran
domly assign a new exercise regimen to 50 of the participants and an alternative exercise regimen to the other 50. After 6 months all 100 are brought back to get reweighed. The study design that most best describes this study is:___________. 1. Experimental Case-Control
2. Retrospective
3. Cohort Cross-Sectional Prospective
4. Cohort Ecologic
