All of the following statements regarding case control and coho studies are true, Except -
Ans. is 'c' i.e., Coho studies are suitable to investigate 'rare' disease o Coho studies are inappropriate when the disease or exposure under investigation is rare.
Cohos are chosen based on history of `Exposure'
Coho studies require longer time frame than case control studies
Coho studies are suitable to investigate 'rare' disease
Coho studies yield information about more than one disease