Environment
An elaborate and always changing universe of stimulus conditions and events that are internal and external to an individual.
B. Concepts and Principles
Establishing operation
A type of motivating operation that is the product of deprivation that, at that moment, increases the effectiveness of the deprived stimulus as a reinforcer and increases the frequency of
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6th Edition TCO
Evocative effect
A type of behavior-altering effect that causes an in-the-moment increase in the current frequency of behavior that’s been reinforced by a specific stimulus.
6th Edition TCO
Faulty Stimulus Control
When a response occurs in the presence of an irrelevant stimulus as opposed to the relevant, trained stimulus.
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6th Edition TCO
Feature stimulus class
A group of stimuli that share an infinite number of possible relations and evoke the same response.
Fixed interval (FI) scallop
A pattern of responding specific to the fixed interval schedule of reinforcement, when the rate of responding decreases after the delivery of reinforcement, but gradually increases and speeds up at
Fixed interval schedule (FI)
A basic schedule of intermittent reinforcement in which a fixed amount of time must elapse before a single correct response produces reinforcement.
Fixed ratio schedule (FR)
A basic schedule of intermittent reinforcement in which a fixed number of correct responses must be emitted for reinforcement to be delivered.
Formal similarity
A concept in verbal behavior wherein the controlling stimulus (verbal SD) and the verbal behavior have the same topographical sense mode/form.
6th Edition TCO
Four-term contingency
A motivating operation is added to a three-term contingency and the added component of motivation has an abative or evocative effect on the behavior (e.g., MO-SD-Bx-C).
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