Consider an Epidemiological Study That Investigates the Relationship Between Fish

Multiple Choice

Consider an epidemiological study that investigates the relationship between fish intake and cancer risk. Which of the following statements is TRUE about this study design?

A) Subjects in the study will be randomly assigned to an experimental group and a control group.
B) The findings of this study may suggest a relationship between fish intake and cancer risk.
C) There is no intervention involved in this type of study.
D) The results of the study can be used to establish a cause-and-effect relationship between fish intake and cancer risk.
E) The findings of this study may suggest a relationship between fish intake and cancer risk and there is no intervention involved in this type of study.