Hans Eysenck (1916–1997) contributed three major traits, currently, however, Costa and McCrae's (1992) "Big Five" personality dimensions are the most recognized. These include; neuroticism, extraversion, agreeableness, openness to experience and conscientiousness. Theories in political psychology induce that one's combination of these traits has implications for leadership style and capacity. For example, individuals who score highly on extroversion are demonstrated as having superior leadership skills. The Myers-Briggs Type Indicator (MBTI) is a personality assessment scale commonly used in the study of political personality and for job profiling. A motive-based approach In terms of political psychology, motivation is viewed as goal-oriented behavior driven by a need for four things; power, affiliation, intimacy, and achievement. These categories were grouped by Winter (1996) from Murray's (1938) twenty suggested common human goals. Need for power affects the style in which a leader performs. Winter and Stewart (1977) suggested that leaders high in power motivation and low in need of affiliation intimacy motivation make better presidents. Affiliation-motivated leaders alternatively tend to collaborate joint efforts in the absence of threat. Lastly, achievement motivation has demonstrated to not correspond with political success, especially if it is higher than power motivation (Winter, 2002). Motivation between a leader and those whom they are ruling needs to be consistent with success. Motives have been shown to be correlated more highly with situation and time since last goal-fulfillment, rather than consistent traits. The Thematic Apperception Test (TAT) is commonly used for assessing motives. However, in the case of leadership assessment this test is more difficult to implement therefore more applicable tests are often used such as content analysis of speeches and interviews. Frameworks for assessing personality The authoritarian personality The authoritarian personality is a syndrome theory that was developed by the researchers Adorno, Frenkel-Brunswick, Levinson and Sanford (1950) at The University of California. The American Jewish Committee subsidized research and publishing on the theory since it revolved around ideas developed from World War II events. Adorno (1950) explained the authoritarian personality type from a psychoanalytic point of view suggesting it to be a result of highly controlled and conventional parenting. Adorno (1950) explained that individuals with an authoritarian personality type had been stunted in terms of developing an ability to control the sexual and aggressive id impulses. This resulted in a fear of them and thus development of defense mechanisms to avoid confronting them. Authoritarian personality types are persons described as swinging