The study reflects the biological and cognitive behavioral models of abnormality. The biological model is reflected because a biologically oriented mental health professional would treat depression with medications. Whereas the cognitive behavioral model is reflected because a cognitive-behavioral oriented mental health professional would treat symptoms with cognitive behavioral therapy.
There are still other models of abnormality that this study could include. A researcher might go about testing the sociocultural model by comparing the test scores between the three cities as well as the genders of the participants. The sociocultural model differs from other models of