There are many theories regarding the causes of abnormal behaviors: Diathesis-stress models, biological theories, sociocultural factors, and a myriad of psychological theories. Of the various theories, what two theories do you believe have the greatest merit when it comes to explaining the development and expression of abnormal behaviors? Why do you believe these two theories have the most merit? Explain your rationales for your answers and include at least one peer-reviewed journal article as support.