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BA&L Chapter 10
Conditioned Reinforcement
22
Psychology
Graduate
11/20/2015

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Term
Conditioned Reinforcement
Definition
The presentation of a conditioned reinforcer and the subsequent increase in rate of the operant that produced it.
Term
Conditioned Reinforcer
Definition
An event or stimulus that has aquired its effectiveness to increase operant rate on the basis of an organism's life or ontogenetic history.
Term
Unconditioned reinforcer
Definition
A reinforcing stimulus that has acquired its properties as a function of species history. Although many reinforcers, such as food and sex, are general over species, toher reinforcers, such as the song of a bird or the scent of a mate, are specific to a species. Behavior analysis, evolutionary biology, and neuroscience are necessary to describe, predict, and control the behavior regulated by unconditioned reinforcement.
Term
Chain Schedule of Reinforcement
Definition
Two or more simple schedules (CRF, VI, VR, FR, FI), each of which is presented sequentially and signaled by a discriminative stimulus (sD). Only the final or terminal link of the chain results in primary reinforcement.
Term
Tendem Schedule
Definition
Two or more basic schedules (CRF, VI, VR, FI, FR)presented sequentially in which only the final link ends with primary reinforcement (or in some cases extinction) and the component schedules are not signaled by discriminative stimuli. In other words, a tandem schedule is the same as an unsignaled chain schedule.
Term
Homogeneous Chains
Definition
Operant chains are classified as homogenous when the topography or form of response is similar in each link of the schedule - for example, a bird pecks the same key in each component of the chain. Each link in the schedule produces a discriminative stimulus for the next link, and the sD is also a conditioned reinforcer for the behavior that produces it.
Term
Heterogeneous Chain Schedule
Definition
A heterogeneous chain requires different responses for each link of the chain schedule. Dog trainers make use of heterogeneous chains when they teach complex behavioral sequences to their animals. When going for a walk, a seeing-eye dog stops at intersections, moves forwardwhen the traffic is clear, pauses at curb, avoids pot holes, and finds the way home. Each of these different responses is occasioned by specific stimuli and results in conditioned reinforcement.
Term
Backward Chaining
Definition
A procedure used to train a chained performance. The basic idea is to first train behavior that is closet to the primary reinforcement; once responding is established, links in the chain are added that are further and further from primary reinforcement. Each link in the chain is reinforced by the sD, which is also a conditioned reinforcer signaling the next component in the sequence.
Term
New-Response Method
Definition
First, a non reinforcing stimulus is associated with a reinforcing event (sound of feeder is followed by food), and after this procedure the stimulus (sound of feeder) is shown to increase the frequency of some operant behavior.
Term
Established Response Method
Definition
In terms of conditioned reinforcement, an operant that produces unconditioned reinforcement is accompanied by a distinctive stimulus, just prior to reinforcement. When responding is well established, extinction is implemented but half of the subjects continue to get the stimulus that accompanied unconditioned reinforcement. The other subjects undergo extinction without the distinctive stimulus. Generally, subjects with the stimulus present respond more than the subjects who do not get hte stimulus associated with uncondtiioned reinforcement. This result is interpreted as evidence for the effects of conditioned reinforcement.
Term
S-S Account of Conditioned Reinforcement
Definition
The hypothesis that it is necessary for a stimulus to be paired with primary reinforcement to become a conditioned reinforcer. This hypothesis has been largely discounted, and the weight of the evidence supports the delay-reduction hypothesis of Fnatino 1969b
Term
Second Order Schedule
Definition
Two or more schedules or reinforcement in which completion of the requirements of one schedule is reinforced according to the requirements of a second schedule.
Term
Discriminative Stimulus Account of Conditioned Reinforcement
Definition
The hypothesis that it is necessary for a stimulus to be an sD in order for it to be a conditioned reinforcer. This hypothesis has been largely discounted, and the weight of the evidence supports the delay-reduction hypothesis of Fantino (1969b).
Term
Mixed Schedule of Reinforcement
Definition
Two or more basic schedules (CRF, VI, VR, FR, FI) presented sequentially in which each link ends with primary reinforcement (or in some cases extinction) and the component schedules are not signaled by discriminative stimuli. In other words, a mixed schedule is the same as an unsignaled multiple schedule.
Term
Observing Response
Definition
A topographically different opoerant that functions to produce an sD or S-Delta depending on whether reinforcement or extinction is in effect. In other words, an observing response changes a mixed schedule of reinforcement to a multiple schedule.
Term
Delay Reduction Hypothesis
Definition
Stimuli that signal a decrease in time to positive reinforcement, or an increase in time to an aversive event, are more effective conditioned reinforcers. Generally, the value of a conditioned reinforcer is attributed to its delay reduction. - How close it is to reinforcement or how far it is from punishment.
Term
Concurrent chain schedules
Definition
Two or more schedules or reinforcement (FR, FI, VR, VI) that are simultaneously available. Each alternative is associated with a separate schedule of reinforcement and the organism is free to distribute behavior to the schedules.
Term
Generalized Conditioned Reinforcer
Definition
A reinforcement procedure using a generalized conditioned reinforcer such as money that may be exchanged for many other reinforcers (good and services) and is relatively independent of momentary level of deprivation for any particular reinforcer such as food.
Term
Generalized Social Reinforcement
Definition
A generalized conditioned reinforcer that is also a social reinforcer increases or maintains operant behavior. Praise is a social reinforcer backed up by many sources of reinforcement.
Term
Token Schedules
Definition
Token schedules of reinforcement have three distinct components involving the token production schedule, the exchange production schedule, and the token exchange schedule. Thus, when we talk about token reinforcement, we are referring to three component schedules that form a higher-order sequence. Typically, one of the component schedules is varied while the other two components remain unchanged(held constant).
Term
Token Economy
Definition
A reinforcement system based on token reinforcement the contingencies specify when, and under what conditions, particular forms of behavior are reinforced. The system is an economy in the sense that tokens may be exchanged for goods and services, in much the same way as money is in our economy. This exchange of tokens for a variety of back-up reinforcers ensures that the tokens are conditioned reinforcers. Token economies have been used to improve the behaviors of psychiatric patients, juvenile delinquents, pupils in remedial classrooms, medical patients, alcoholics, drug addicts, prisoners, nursing home residents, and developmentally delayed people.
Term
Information Account of Conditioned Reinforcement
Definition
A hypothesis which suggests that a stimulus becomes a conditioned reinforcer if it provides information about the occurrence of primary reinforcement. This notion has been largely discounted and replaced by the delay-reduction hypothesis of Fantino (1969)
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