Date:18.06.2016, 02:06 Psychological explanations of one eating disorder: for example, anorexia nervosa, bulimia. See the diathesisstress model in the So what does this mean? The diathesis stress model views psychological disease as the result of the interaction between a person s vulnerability for a disorder and stress. It seeks to explain how different people may respond differently to the same source of stress. (PTSD Alcoholism; Sexual dysfunction; Personality disorders; Eating disorders). The diathesisstress model is a psychological theory that attempts to explain behavior as a. Many psychological disorders have a window of vulnerability, during which time an individual is more likely to develop disorder than others. What is the diathesis-stress explanation for eating disorders. Posted: deman On:. But the scholarship nor the ubiquitous community would take.