The big picture

William Moulton Marston (1893–1947) was a polymath – trained in both law and psychology, he also invented a lie detector, helped Universal Studios to make the transition from silent movies to talkies, and created the comic book character Wonder Woman. He became very interested in the psychology of the general public rather than in psychological disorders, and devised a simple framework for understanding our behavioural preferences, DISC, which first appeared in Marston’s 1928 book Emotions of Normal People.

DISC is a tool to help you determine your own and others’ preferred ways of behaving, based on the same principles as many of the classic psychometric tests but easier to understand and apply. Knowledge of the DISC ...

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