Understanding Madmen: A DSM-IV Assessment of Adolf Hitler Frederick L. Coolidge*, Felicia L. Davis, & Daniel L. Segal University of Colorado at Colorado Springs ABSTRACT - Adolf Hitler’s personality was investigated posthumously through the use of an informant version of the Coolidge Axis II Inventory (CATI), which is designed for the assessment of personality, clinical, and neuropsychological disorders. Five academic Hitler historians completed the CATI. The overall mean inter-rater correlation was moderately high for all 38 CATI scales’ T scores (median r = .72). On Axis I, the highest mean T scores across raters were Posttraumatic Stress Disorder (76), Psychotic...