Honors and Awards
Distinguished Scientist Award, Division 12, American Psychological Association, 1972.
Distinguished Contribution Award, International Society for Research on Aggression, 1980.
Distinguished Scientific Contributions Award, American Psychological Association, 1980.
William James Award, American Psychological Society, 1989.
Member, Institute of Medicine of the National Academy of Sciences, 1989.
Distinguished Lifetime Contributions Award, California Psychological Association, 1998.
Thorndike Award for Distinguished Contributions of Psychology to Education, APA, 1999.
Lifetime Achievement Award, Association for the Advacement of Behavior Therapy, 2001.
Lifetime Achievement Award, Western Psychological Association, 2004.
James McKeen Cattell Award, American Psychological Society, 2004
Outstanding Lifetime Contribution to Psychology, American Psychological Association, 2004.
Special Research Fellowship, National Institute of Mental Health, 1969.