Dianne is convinced she has developed an anxiety disorder because she has an underlying biological condition that was brought out by living in a stressful environment. dianne's belief about how she developed psychopathology is most consistent with

Dianne's belief about how she developed psychopathology is most consistent with the diathesis-stress model. The diathesis-stress model is a psychological model that explains why people develop mental disorders. This theory assumes that mental illnesses occur due to stressful conditions in the environment and that is exactly what Dianne assumes.