"In the 60s Psychologist Julian Rotter developed a theory called Locus of Control of Reinforcement. His theory centered around whether someone thinks their life is more influenced by external factors like fate, genetics, luck, environment (external locus of control) OR by internal factors like effort, tenacity, and free will (internal locus of control)."
Locus of Control Personality Test
This is probably a huge motivator in what political party someone chooses. I'm a proud hardcore libertarian and what I got lines up nicely:
Internal Locus |||||||||||||||||||| 81%
External Locus |||| 19%