Which Term Most Accurately Describes the Following Definition? "The Observational

Multiple Choice

Which term most accurately describes the following definition? "The observational epidemiological study of persons with the disease (or another outcome variable) of interest and a suitable control group of persons without the disease (comparison group,reference group) ." [Porta M,ed.A Dictionary of Epidemiology.New York: Oxford University Press; 2014.]

A) Ecologic study
B) Cross-sectional study
C) Case-control study
D) Cohort study
E) Randomized trial