Glossary D

- Differential reinforcement of high rates (DRH) : Differential reinforcement of high rates (DRH) refers to a schedule in which reinforcement is contingent upon emitting at least a certain number of responses in a certain period of time - or, more generally, Reinforcement is provided for responding at a fast rate.

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- Differential reinforcement of low rates (DRL) : Differential reinforcement of low rates (DRL) refers to a schedule in which a minimum amount of time must pass between each response before the reinforcer will be delivered - or, more generally, Reinforcement is provided for responding at a slow rate.

- Differential reinforcement of other behavior (DRO) : Differential reinforcement of other behavior (DRO) refers to reinforcement of any behavior other than a target behavior that is being extinguished. One variant of this is called Differential reinforcement of incompatible behavior (DRI), wherein the behavior which is being reinforced is specifically incompatible with the behavior being extinguished.

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- Differential reinforcement of paced responding (DRP) : Differential reinforcement of paced responding (DRP) refers to a schedule in which reinforcement is contingent upon emitting a series of responses at a set rate - or, more generally, reinforcement is provided for responding neither too fast nor too slow.

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Differential reinforcement of successive approximations refers to the procedure of reinforcing only some responses and not others. Differential reinforcement is used in the "shaping" of complex behaviors. (see Shaping.)

Deutsch: Differentielles Forschungsdesign / Español: Diseño de investigación diferencial / Português: Desenho de pesquisa diferencial / Français: Conception de recherche différentielle / Italiano: Progetto di ricerca differenziale /

Differential research design is defined as a Non-experimental research design that compares pre-existing groups rather than randomly assigning individuals to groups. Often, the groups are defined by a participant characteristic such as gender, race, or personality.

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Differential threshold refere to the amount that stimulation needs to change before a difference in that stimulation can be detected.

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Differential validity refers to the characteristic of a test that significantly predicts a criterion for two (2) groups, such as both minorities and non-minorities, but predicts significantly better for one of the two (2) groups. Moreover, Differential validity is the extent to which a test has different meanings for different groups of people. For example, a test may be a valid predictor of college success for white but not for black students.

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