From Wikipedia, the free encyclopedia Technique in personality development This article is about the cognitive psychology tool. For the Fringe episode, see Johari Window (Fringe) . Johari window The Johari window is a technique [ 1 ] designed to help people better understand their relationship with themselves and others. It was created by psychologists Joseph Luft (1916–2014) and Harrington Ingham (1916–1995) in 1955, and is used primarily in self-help groups and corporate settings as a heuristic exercise.