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Instrumental Conditioning. A Little History Thorndike –discrete trial procedure –outcome dependent on behavior –didn’t find imitative learning –first.

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Presentation on theme: "Instrumental Conditioning. A Little History Thorndike –discrete trial procedure –outcome dependent on behavior –didn’t find imitative learning –first."— Presentation transcript:

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) StimulusResponse

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

5 SR O Is This All That’s Learned? ? ?

6 S-O Association Stage 1 Right  PelletTone  PelletTone: Left? Right? Left  SucroseLight  SucroseLight: Left? Right? Number of Presses ToneLight Left Right TestStage 2

7 R-O Association Phase 1DevaluationTest Push Left  PelletPellet+LiClRight? Push Right  SucroseSucrose+LiClLeft? Number of Pushes Left Pushes Right Pushes Devalued Pellet Devalued Sucrose

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

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14 Instrumental Crying


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