Locus of control is the degree to which people believe that they, as opposed to external forces (beyond their influence), have control over the outcome of events in their lives. The concept was developed by Julian B. Rotter in 1954, and has since become an aspect of personality psychology. A person's "locus" (plural "loci", Latin for "place" or "location") is conceptualized as internal (a belief that one can control one's own life) or external (a belief that life is controlled by outside factors which the person cannot influence, or that chance or fate controls their lives). George Costanza of Seinfeld fame is a classic example of someone who lives with a mindset that nothing is in his control, and nothing is fair.
In this episode, Frank and Ian break down the tangible value of mindset in relation to careers:
