Question

Which one statement is true about observational studies? (2 points)
Responses

They manipulate variables to compare outcomes
They manipulate variables to compare outcomes

They allow for conclusions about cause and effect
They allow for conclusions about cause and effect

They identify relationships but cannot determine cause
They identify relationships but cannot determine cause

They can be used when experiments may not be ethical

Answer 1

The true statement about observational studies is:

**They identify relationships but cannot determine cause.**

Observational studies can show associations between variables but do not establish causation due to the lack of control and manipulation of variables.