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

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Presentation transcript:

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) StimulusResponse

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

SR O Is This All That’s Learned? ? ?

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

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

Pavlovian (classical) or Instrumental? Office Conditioning ExperimentOffice Conditioning Experiment

Event Presented Event Removed Smile Frown Stops Texting Leaves Shop Effect on Behavior Rate Consequence Positive Reinforcement Negative Reinforcement Positive Punishment Negative Punishment

Instrumental Crying