Floderus-Myrhed, B Assessment of heritability for personality, based on a short-form of the Eysenck Personality Inventory: a study of 12,898 twin pairs. [electronic resource] - Behavior genetics Mar 1980 - 153-62 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0001-8244 Standard No.: 10.1007/BF01066265 doi Subjects--Topical Terms: AdultAge FactorsExtraversion, PsychologicalFemaleGenotypeHumansMaleMiddle AgedNeurotic Disorders--geneticsPersonalityPersonality InventoryPhenotypePregnancySex FactorsSwedenTwins--psychologyTwins, Dizygotic--psychologyTwins, Monozygotic--psychology