Gottesman, Irving Isadore2015-08-062015-08-061960-04https://hdl.handle.net/11299/173678University of Minnesota Ph.D. dissertation. Major: Psychology. April 1960. 1 computer file (PDF); ix, 147 pages.enGenetic researchTwin studiesPersonality traitsMinnesota Multiphasic Personality Inventory (MMPI)Thesis or Dissertation