This Assessment is an adaptation of the Myers-Briggs Type Indicator (MBTI) Personality type test.
The automated scoring & grading system is Designed by R.I.D.C.o L.T.D.
MBTI Personality type test is described in more detail in the Website: http://www.thepersonalitypage.com/ and https://www.myersbriggs.org/my-mbti-personality-type/mbti-basics/
Much of this information was written by Robert Heyward