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Discriminitive Stimuli
Motivating Operations

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1. SD: Evokes behavior and signals availability of reinforcement.

2. SDP: Abates behavior and signals availability of punishment.

3. S^: Abates behavior and signals unavailability of reinforcement (extinction).

4. S^P: Evokes behavior and signals unavailability of punishment.

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1. EO or Establishing Operation relates to deprivation which increases the value or effectiveness of a stimulus.

2. AO or Abolishing Operation relates to satiation which decreases the value or effectiveness of a stimulus.

3. Behavior-Altering Effect momentarily makes a behavior more or less likely to occur.

4. Value-Altering Effect increases or decreases the value of a consequence.

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1. Refers to the availability of a consequence as it correlates to past availability. The SD signals the availability of the reinforcer.

2. Differential availability refers to the correlation of different past probabilities of reinforcement or punishment of a consequence.

3. A stimulus only functions as an SD through past experience. ALL SD’s ARE CONDITIONED.

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1. Refers to the value of a consequence which refers to the effectiveness of the reinforcement or punishment of the consequence.

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1. EO+SD->R1->SR+ or SR-

1. EO; Motivational Variable.

2. SD; Discriminative Variable.

3. R1; Target Response.

4. SR+ or SR-; Reinforcing Consequence.

2. EOSR+; Valuable

3. AOSR+; Not Valuable

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1. EO/Establishing Operation-Increases the effectiveness of a reinforcing or punishing consequence.

1. Deprivation is an EO that increases value or a reinforcer.

2. AO/Abolishing Operation-Decreases the effectiveness of a reinforcing or punishing consequence.

1. Satiation is an AO that decreases the value of a reinforcer.

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1. Evoke; evocative effect increases the momentary frequency of a behavior.

2. Abate; abative effect decreases the momentary frequency of a behavior.

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1. EO can evoke or abate behavior.

1. If it establishes the effectiveness of a reinforcer, then it EVOKES behavior.

2. If it establishes the effectiveness of a punisher, then it ABATES behavior.

2. AO can evoke or abate behavior.

1. If it abolishes the effectiveness of a reinforcer, then is ABATES behavior.

2. If it abolishes the effectiveness of a punisher, then it EVOKES behavior.

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Establishing Operation for Reinforcement; effectiveness is increased so the behavior is EVOKED.

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Abolishing Operation for Reinforcement effectiveness is decreased so behavior is ABATED.

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1. Establishing: INCREASES value or effectiveness of the consequence.

2. Evocative: INCREASES likelihood of the behavior.

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1. Abolishing: DECREASES value or effectiveness of the consequence.

2. Abative: DECREASES likelihood of the behavior.

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1. EO for SR+ is when an appetitive stimulus becomes MORE appetitive.

2. AO for SR+ is when an appetitive stimulus becomes LESS appetitive.

3. EO for SR- is when an aversive stimulus becomes MORE aversive.

4. AO for SR- is when an aversive stimulus becomes LESS aversive.

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1. Phylogenic provenance due to genetics are UMO’s Unconditioned Motivating Operations.

1. UEO’s

2. UAO’s

2. Ontogenic provenance due to learning history are CMO’s Conditioned Motivating Operations.

1. CEO’s

2. CAO’s

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Is the consequence unlearned (unconditioned) or learned (conditioned)?

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Reinforcer is either unconditioned (unlearned, SR) or conditioned (learned, Sr).

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Punisher is either unconditioned (unlearned, SP) or conditioned (learned, Sp).

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U≠r
C≠R

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1. EOSR increases the value of the reinforcer

2. SD signals the availability of a reinforcer.

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MO’s increase or decrease the evocative or abative effects of the various types of discriminative stimulus.

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MO’s widen or narrow stimulus generalization.

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MO’s evoke different functional response classes.

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(2) Behavior-altering, (1) Increases the value of reinforcement
(2) Evokes behavior, (1) Decreases the value of reinforcement
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