Fred S. Keller

Fred Simmons Keller
Born(1899-01-02)January 2, 1899
DiedFebruary 2, 1996(1996-02-02) (aged 97)
NationalityAmerican
Alma materTufts,
Harvard University
Known forBehavior analysis, operant conditioning, personalized instruction
AwardsJames McKeen Cattell Fellow Award (1992)
Scientific career
FieldsPsychology
InstitutionsColgate,
Columbia University
University of Brasília

Fred Simmons Keller (January 2, 1899  February 2, 1996) was an American psychologist and a pioneer in experimental psychology. He taught at Columbia University for 26 years and gave his name to the Keller Plan, also known as Personalized System of Instruction, an individually paced, mastery-oriented teaching method that has had a significant impact on college-level science education system. He died at home, age 97, on February 2, 1996, in Chapel Hill, North Carolina.