Identify the following as an experiment or an observational study.
-A researcher obtained a random sample of women with children and a random sample of women without children and compared the rates of clinical depression in the two groups.
A) Experiment
B) Observational study

Question

Quizplus · Accepted Answer

This is an observational study because the researcher observes the rates of clinical depression in two naturally occurring groups without manipulating any variables.

Identify the Following as an Experiment or an Observational Study