4.3 Operant Conditioning

4.3 Operant Conditioning

1. Positive (+) reinforcers ADD something (a stimulus) to the organism’s life. Negative (-) reinforcers REMOVE something (a stimulus) from the organism’s life. Positive does NOT mean good and negative does NOT mean bad.

2. Law of Effect – Thorndike’s principle that responses are “stamped in” by rewards and “stamped out” by punishments.

3. B.F. Skinner - Operant Chamber w/ rat and lever

4. Reinforcer A stimulus or event that follows a behavior and makes that behavior more likely to occur again Two types (positive and negative)

5. Punisher A stimulus or event that follows a behavior and makes that behavior less likely to occur again

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