“The concept of “locus of control” goes back to behaviorist days, when psychologists noted that animals (including people) could be trained to expect that they could get what they wanted through their own behavior (that is, some control over outcomes was “internal” to themselves). Conversely, animals could be trained to expect that nothing they did mattered (that is, all control of outcomes was “external” to themselves).”
Greg Lukianoff, Jonathan Haidt, The Coddling of the American Mind
