Evidence is presented to show that agreement with certain items claimed by Rudin (1961) to be anti‐rational‐authoritarian is positively related to neuroticism and negatively related to socio‐economic status and intelligence, whereas agreement with proauthoritarian items from the same scale is not related. This evidence is held to support Rudin's argument that rational and irrational authoritarianism (as exemplified by the F‐scale) are independent, and that pathology is related to rejection of the former as well as acceptance of the