What Causes Poor Uneducated White People To Vote Republican?

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109. there is also the different "authoritarian" tendencies of different people.

Authoritarians want strong leaders to make decisions for them. Non authoritarians rebel at strong leadership. Estimates are that 20-30% of any population is authoritarian.

see wikipedia:

Bob Altemeyer conducted a series of studies on what he labeled Right-wing authoritarianism (RWA), and presents the most recent analysis of this personality type.[11] The focus of RWA research is political preferences as measured through surveys, that suggest three tendencies as noted in attitudinal clusters. These are: 1) submission to legitimate authorities; 2) aggression towards sanctioned targeted minority groups; and 3) adherence to values and beliefs perceived as endorsed by followed leadership. McCrae & Costa (1997)[12] report that the big 5 dimension of openness to experience is negatively correlated to RWA (r=-0.57) as measured by the NEO-PI-R Openness scale.

More recently, Jost, Glaser, Kruglanski, and Sulloway (2003) have proposed that Authoritarianism, RWA and other similar constructs of political conservatism are a form of motivated social cognition. These researchers propose that conservatism has similar characteristics as to authoritarianism, with resistance to change, and justification for inequality as the core components. In addition, conservative individuals have needs to manage uncertainty and threat with both situational motives (e.g., striving for security and dominance in social hierarchies) and dispositional motives (e.g., terror management and self-esteem). Despite its methodological deficiencies, the theory of the authoritarian personality has had a major influence on research in political, personality, and social psychology.