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Researched1938 · Machine Age (1900 – 1945)

Life / Neuroscience & Psychology

Operant conditioning

B. F. Skinner showed in 1938 that behaviour is shaped by its consequences: rewards make a repeat more likely, punishments less likely.

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Building on Thorndike's 1898 law of effect, Skinner's work underlies behavioural therapy and programmed teaching. Sutton and Barto's reinforcement learning in AI grew from the same idea of trial-and-error learning.

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