Question

Determine whether the given description corresponds to an observational study or an experiment.

In a study of 422 women with a particular​ disease, the subjects were asked to complete a survey about their diet upon arrival to a hospital.

Answer 1

The given description corresponds to an observational study:

In a study of 422 women with a particular​ disease, the subjects were asked to complete a survey about their diet upon arrival to a hospital.

Subjects are observed/studied in an effort to learn more about a particular subject.