INFP (Introversion, iNtuition, Feeling, Perception) is an abbreviation used in the Myers-Briggs Type Indicator (MBTI) publications to refer to one of the sixteen personality types. The MBTI was developed from the work of prominent psychiatrist Carl G. Jung in his book Psychological Types, which proposed a psychological typology based on his theories of cognitive functions.
These theories were based on clinical observation, however, rather than the controlled studies required for acceptance by the modern field of cognitive psychology. From Jung's work others developed psychological typologies. Well-known personality tests are the MBTI assessment, developed by Isabel Briggs Myers and Katharine Cook Briggs, and the Keirsey Temperament Sorter, developed by David Keirsey.
Keirsey referred to the INFPs as Healers, one of the four types belonging to the temperament he called the Idealists. The MBTI preferences indicate the differences in people based on the following: