Irving L. Janis

Born in 1918
  • Irving L. Janis was a renowned research psychologist who made significant contributions to the field of social psychology.

  • He is best known for developing the theory of "groupthink," which explains how groups can make poor decisions due to pressure for conformity.

  • Janis spent much of his career at Yale University and later became a professor emeritus at the University of California, Berkeley.

  • His work on groupthink has had a lasting impact on understanding collective decision-making processes.

  • Additionally, Janis collaborated with Carl Hovland on studies of attitude change, including the sleeper effect.

  • He retired in 1986, leaving behind a legacy of influential research in group dynamics and social psychology.

Books by Irving L. Janis