The generalization decrement hypothesis states that partial reinforcement-induced extinction is gradual because: the conditions of extinction are relatively similar to those in which the animal has previously received reward.
- If the reinforcement rate is high, a behavior is likely to have great momentum. An explanation of the partial reinforcement effect, which asserts that responding during extinction will be quick if the extinction-related stimuli are distinct from the reinforcement-related stimuli, but delayed if the extinction-related stimuli are comparable to the reinforcement-related stimuli.
- After partial (inconsistent) reinforcement, conditioned responding fades more slowly than it does after consistent reinforcement. This Partial Reinforcement Extinction Effect (PREE) is typically linked to the partial schedule's teaching of nonreinforcement.
Thus this is why extinction after partial reinforcement is slow.
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