The Edward L. Thorndike reference article from the English Wikipedia on 24-Apr-2004
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Edward L. Thorndike

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Edward Lee Thorndike (August 31, 1874 - August 9, 1949) was an American psychologist who conducted studies on learning and on animal psychology.

He formulated the Laws of Learning: the Law of Effect, the Law of Exercise, the Law of Readiness and the Law of Spread of Effect.