The researcher asks parents how much time their student spends on social media and if they struggle with depression/anxiety. Then the researcher has the children fill out a questionnare with questions...

The researcher asks parents how much time their student spends on social media and if they struggle with depression/anxiety. Then the researcher has the children fill out a questionnare with questions about mental health. This is an example of an _____________________________ study.

Experimental
or
Observational