7.2.1 - 8/17/11 Today: Perception (cont.), Learning...

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Unformatted text preview: 8/17/11 Today: Perception (cont.), Learning Learning Operant Conditioning 8/17/11 Operant Conditioning o Learning also occurs between stimulus and response o Rewar ds encourage responses; punishments discourage responses o Law of Effect Edward Thorndike (1874-1949) o Organisms learn to repeat behaviors that have favorable outcomes, avoid those with unfavorable outcomes 8/17/11 Operant Conditioning o Research pioneered by B.F. Skinner (1904-1990) o Research on animals showed power of operant conditioning o Shaping: rewarding successive approximations (increasingly complex behaviors) in order to get the desired, complex response 8/17/11 Operant Conditioning o Pr imar y r einfor cer /punishment : stimulus that is naturally pleasant or unpleasant o Conditioned r einfor cer / punishment : stimulus 8/17/11 Operant Conditioning o Positive versus negative reinforcement/punishment o Positive: something added + o Negative: something subtracted 8/17/11 Operant Conditioning o Positive versus negative...
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7.2.1 - 8/17/11 Today: Perception (cont.), Learning...

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