Ageing and the relation of aggression, altruism and assertiveness scales to the Eysenck personality questionnaire

Relationships among age, aggressive, assertive and altruistic tendencies are reported with the dimensions of the Eysenck Personality Questionnaire for 573 pairs of adult twins. Aggressiveness is positively related to psychoticism, both of which are negatively related to indices of prosocial behavior, including the lie scale. Assertiveness and most measures of altruism are linked to extraversion, while empathy is linked to neuroticism. Prosocial...