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Instrumental Conditioning

Instrumental Conditioning. A Little History. Thorndike discrete trial procedure outcome dependent on behavior didn’t find imitative learning first theory of instrumental learning . Thorndikes’ Law of Effect. S-R associations are stamped in by reward (satisfiers). Stimulus. Response.

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Instrumental Conditioning

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  1. Instrumental Conditioning

  2. A Little History • Thorndike • discrete trial procedure • outcome dependent on behavior • didn’t find imitative learning • first theory of instrumental learning

  3. Thorndikes’ Law of Effect S-R associations are stamped in by reward (satisfiers) Stimulus Response

  4. Thorndike’s Answer to “What is learned?” Reinforcement “stamps in” this connection S R

  5. Is This All That’s Learned? S R ? O ?

  6. S-O Association Stage 1 Stage 2 Test RightPellet TonePellet Tone: Left? Right? LeftSucrose LightSucrose Light: Left? Right? Left Number of Presses Right Tone Light

  7. Left Pushes Right Pushes R-O Association Phase 1 Devaluation Test Push LeftPellet Pellet+LiCl Right? Push RightSucrose Sucrose+LiCl Left? Number of Pushes Devalued Pellet Devalued Sucrose

  8. Effect on Behavior Rate Event Presented Positive Punishment Positive Reinforcement Chokes Smile Consequence Stops Twiddling Excuses Himself Negative Punishment Negative Reinforcement Event Removed

  9. Instrumental Crying

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