Irving Janis Professions : Psychologist Born : May 26, 1918 Died : November 15, 1990 Browse All Authors Famous Quotes by Irving Janis The advantages of having decisions made by groups are often lost because of powerful psychological pressures that arise when the members work closely together, share the same set of values and, above all, face a crisis situation that puts everyone under intense stress Irving Janis stress powerful responsibility Similar Authors Bruno Bettelheim psychologist Boris Sidis psychologist Anthony Greenwald psychologist Arnold Gesell psychologist Arno Gruen psychologist Anna Freud psychologist All Authors