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Psychological projection is the act or technique of defending yourself against unpleasant impulses by denying their existence in yourself, while attributing them to others. For example, a person who is rude may accuse other people of being rude.
Although rooted in early developmental stages, and classed by George Eman Vaillant as an immature defence, the projection of one's negative qualities onto others on a small scale is nevertheless a common process in everyday life.
Historical precursors
A prominent precursor in the formulation of the projection principle was Giambattista Vico (2...