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How do classical and operant conditioning differ?

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Presentation on theme: "How do classical and operant conditioning differ?"— Presentation transcript:

1 How do classical and operant conditioning differ?
S - S vs. R - S contingencies Classical and Operant paradigms The Law of Effect Conditioned reinforcers Chaining operant behaviour

2 Pavlov’s Apparatus: Tube from salivary glands Measuring cup for saliva

3 speaker pellet dispenser tube food cup lights lever electric grid

4 Classical (respondent) conditioning:
contingency relation CS R US tone salivation food Operant conditioning: contingency relation SD R SRf tone bar-pressing food

5 Classical Conditioning Terminology:
Conditioned stimulus Conditioned response CS CR US UR Unconditioned stimulus Unconditioned response

6 SD: RSRf Operant Conditioning Terminology: Discriminative stimulus
response Reinforcing stimulus (reinforcer)

7 SD: RSRf The Law of Effect:
“…If a response, R, that is made in the presence of a particular stimulus (or in a particular situation, SD, is followed by a reward, SRf, then that response is more likely to be made the next time the stimulus or situation, SD, is encountered.”

8 SD: RSRf SD: RSRf SD: RSRf order of chained performance
etc. SD: RSRf Conditioned Reinforcer Unconditioned Reinforcer ? tone SD: RSRf bar-press click SD: RSRf approach food order in which links are learned


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