greater knowledge of oneself, while voluntary disclosure of Hidden (Facade) or Blind (Blind Spot) squares may result in greater interpersonal intimacy and friendship. [ 4 ] See also [ edit ] Psychology portal Assertiveness – Capacity of being self-assured without being aggressive to defend a point of view Shadow – Concept in Jungian psychology " There are unknown unknowns " References [ edit ] ^ Luft, J.; Ingham, H. (1955). "The Johari window, a graphic model of interpersonal awareness" (PDF) .