The wonderful confluence of the Earth’s rotation and the calendar has brought us to have a Friday the 13th in October. So here's a lil psychological horror. Turns out, each of the first four Friday the 13th films can be drawn to a specific stage of psychosocial development as outlined by psychologist Erik Erikson, who defines the stages of development through outcomes. If one succeeds in the outcome of a stage, they will have a healthy personality. And Jason's better off than you'd think.