Echoic
An elementary verbal operant in which the speaker vocally repeats the vocal verbal behavior of another speaker that has a history of generalized conditioned reinforcement.
B. Concepts and Principles
Emergent mand relations
A complex mand response (e.g., a mand that includes an autoclitic, or a tact) that develops without direct training.
Emergent stimulus relations
Untrained stimulus relations (e.g., responses to stimuli) that develop following the training of other stimulus relations.
Environment
An elaborate and always changing universe of stimulus conditions and events that are internal and external to an individual.
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.