DISC assessment DISC assessment DISC is a behavior assessment tool based on the DISC theory of psychologist William Moulton Marston, which centers on four different personality traits which are currently Dominance (D), Influence (I), Steadiness (S), and Conscientiousness (C). This theory was then developed into a behavioral assessment tool by industrial psychologist Walter Vernon Clarke. Marston was a lawyer and a psychologist; he also contributed to the first polygraph test, authored self-help books and created the character Wonder Woman. His major contribution to psychology came when he generated the DISC characteristics of emotions and behavior of normal people (at the time, 'normal'
William Fiddian Moulton titles with his son James. He sat on various inter-denominational committees concerned with translations of the New Testament. William Fiddian Moulton Rev. William Fiddian Moulton (14 March 1835 – 5 February 1898) was an English Methodist minister, Biblical scholar and educator. William's father, James Moulton, was a Wesleyan minister and he had at least three other brothers, and probably two sisters. Like his father and grandfather, William became a Weslyan minister and in 1875 the first headmaster of The Leys School, Cambridge. He remained headmaster for the rest of his life; one of the school's houses is named after him.