The Blatt and the Cloninger models of personality and their relationship with psychopathology.

This paper presents in brief the Blatt and the Cloninger theories of personality and their relationship to depression and to psychopathology. Each of the theories is described, the theoretical foundations of the theory are presented, the theory's view on personality stability, on the relationship between personality and psychopathology, the theory's efficacy at predicting depression from personality measures, the theory's explanation for sex differences in depression, the measures derived from the theories, and theory productivity. The paper concludes with an analysis of commonalities of, and points of disagreement between the two theories.