Edward Thorndike

American psychologist

  • Fame55.4
  • Momentum0.0
  • Wikipedia7.1K
Source-basedStable
Lived 1874–1949, aged 75United States
  • Wikipedia
    57 languages
    Cross-language footprint
  • Era
    1874–1949
    Aged 75
  • Awards
    3
    recognised works
Summary
Updated 2026-06-08

He put cats in puzzle boxes and timed how long it took them to escape — then built a theory of learning that shaped a century of classrooms. His "law of effect" made reinforcement the lever of behavior change.

Biography

About

Edward Lee Thorndike was born August 31, 1874, and spent nearly his entire career at Teachers College, Columbia University. His comparative psychology experiments led to his theory of connectionism, laying the scientific foundation for educational psychology. The law of effect — his core contribution — established that behaviors followed by satisfying consequences are more likely to recur, giving empirical shape to reinforcement theory and behavior analysis. He also applied his methods to industrial problems like employee testing. He served as president of the American Psychological Associatio…

Voice

In their own words

Sourced, dated quotes from Edward Thorndike

Edward Thorndike
said
Selective breeding can alter man's capacity to learn, to keep sane, to cherish justice or to be happy.
Edward Thorndike, (1913). Education Psychology: briefer course. p.13; as quoted by Richard Lynn, (2001). Eugenics: A Reassessment. Praeger.
Edward Thorndike
said
Psychology is the science of the intellects, characters and behavior of animals including man.
p. 5
Edward Thorndike
said
Psychology helps to measure the probability that an aim is attainable.
p. 5-6
Edward Thorndike
said
The intellectual evolution of the race consists in an increase in the number, delicacy, complexity, permanence and speed of formation of such associations.
Edward Thorndike, in Popular Science Nov 1901, p. 65
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Fame
Stable
55.4
Composite of search demand, mentions, audience & graph footprint.
Score components
Historical24.3
Source confidence60.0
Completeness70.0
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Sources

  • Wikipedia
    wikipedia · en.wikipedia.org
    High confidence
  • Wikidata
    wikidata · wikidata.org
    High confidence
  • Pantheon 2.0
    database · pantheon.world
    High confidence