Term
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Definition
| A contingency in which a response prevents or postpones the presentation of a stimulus. |
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Term
| conditioned negative reinforcer |
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Definition
| A previously neutral stimulus change that functions as a negative reinforcer because of prior pairing with one or more negative reinforcers. |
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Term
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Definition
| A contingency in which responding in the presence of a signal prevents the onset of a stimulus from which escape is a reinforcer. |
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Term
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Definition
| A contingency in which a response terminates (produces escape from) an ongoing stimulus. |
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Term
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Definition
| A contingency in which responses at any time during an interval prior to the scheduled onset of an aversive stimulus delays the presentation of the aversive stimulus. |
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Term
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Definition
| A stimulus whose termination (or reduction in intensity) functions as reinforcement. |
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Term
| unconditioned negative reinforcer |
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Definition
| A stimulus that functions as a negative reinforcer as a result of the evolutionary development of the species (phylogeny); no prior learning is involved (e.g., shock, loud noise, intense light, extreme temperatures, strong pressure against the body) |
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