Answer:
observational study
Step-by-step explanation:
Observational study: In psychological research, the term "observational study" is described as a study in which a researcher tends to observe the effect of treatment, risk factor, diagnostic test, or some other intervention in the absence of any efforts to change who is or is not exposed from the same.
In other words, a researcher tends to capture data based on what subjects or participants do as in opposition to what they say they'll do.
In the question above, the given statement represents "observational study".