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Chapter 4
Instrumental Conditioning
65
Psychology
Undergraduate 1
04/09/2013

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Term
Instrumental Conditioning
Definition
humans and nonhuman animals alike tend to behave in ways that bring them desirable consequences or enable them to avoid unpleasant ones.
Term
Edward Thorndike's connectionism
Definition
a theory of learning that emphasized the role of experience in the strengthening and weakening of stimulus-response connections.
Term
Law of effect
Definition
responses to a situation that are followed by satisfaction are strengthened vs. responses followed by discomfort are weakened. This implies that reward and punishment have opposite but equal effects on behavior.
Term
Revised Law of Effect
Definition
Thorndike deemphasized the role of punishment, instead, he proposed that punishment has an indirect effect on learning: a learner may engage in certain other behaviors that interfere with performance of the punished response.
Term
B.F. Skinner's Operant Conditioning
Definition
a response that is followed by a reinforcer is strengthened and therefore is more likely to occur again.
Term
Why is the term reinforcer used instead of reward?
Definition
The word reward implies that the stimulus following a behavior is both pleasant and desirable, but some individuals will work for what others to be unpleasant consequences and Skinner preferred to restrict to observable events.
Term
Reinforcer
Definition
a stimulus or event that increases the frequency of a response it follows.
Term
Reinforcement
Definition
the act of following a response with a reinforcer
Term
Transituational generality of a reinforcer
Definition
any single reinforcer, whether it be food or money, is likely to increase many different behaviors in many different situations.
Term
What are the conditions that influence the likelihood that operant conditioning is successful?
Definition
The reinforcer must follow the response, ideally immediately after the response, and the reinforcer should be presented only when the desired response has occurred.
Term
Operant vs. Classical Conditioning: Occurs when...
Definition
1. Classical Conditioning: two stimuli (UCS and CS) are paired.
2. Operant Conditioning: a response (R) is followed by a reinforcer stimulus (Srf).
Term
Operant vs. Classical Conditioning: Association required...
Definition
1. Classical Conditioning: CS → CR.
2. Operant Conditioning: R → Srf
Term
Classical vs. Operant Conditioning: Nature of response...
Definition
1. Classical Conditioning: Involuntary, elicited by a stimulus.
2. Operant Conditioning: Voluntary, emitted by the organism.
Term
Primary reinforcer
Definition
satisfies a built-in, perhaps biology-based, need or desired.
1. Essential for physiological well-being → i.e. food, water, oxygen.
2. Enhances social cohesiveness and chances for survival → i.e. physical affection.
Term
Secondary reinforcer
Definition
(AKA conditioned reinforcer) is a previously neutral stimulus that has become reinforcing to a learner through repeated association with another reinforcer → does not need to satisfy any biological or social needs.
i.e. praise, good grades, money.
Term
Positive reinforcement
Definition
involves the the presentation of a stimulus after the response.
Term
Extrinsic reinforcers
Definition
they're provided by the outside environment, whereas others come from within the learner.
Term
Material reinforcer
Definition
(AKA tangible reinforcer) is an actual object, which have a tendency to a distract students from the things they should be doing in class and are counterproductive.
i.e. food and toys
Term
Social reinforcer
Definition
is a gesture or sign that one person gives another, usually to communicate positive regard.
i.e. a smile, attention, or praise.
Term
Activity reinforcer
Definition
is an opportunity to engage in a favorite activity.
Term
Premack principle
Definition
when a normally high-frequency response follows a normally low-frequency response, the high frequency response will increase the frequency response of the low-frequency response.
Term
Positive feedback
Definition
material and social reinforcers improve classroom behavior and lead to better learning of academic skills because they communicate a message that learners are performing well or making significant progress.
Term
Negative reinforcement
Definition
increases a response through the removal of a stimulus, usually an aversive or unpleasant one.
Term
Punishment
Definition
decreases the frequency of the response it follows.
Term
Punishment I
Definition
involves the presentation of a stimulus, typically an aversive one.
i.e. scolding or a failing grade.
Term
Punishment II
Definition
involves the removal of a stimulus, usually a pleasant one.
Term
How do negative reinforcement and punishment differ?
Definition
1. They have opposite effects: negative → increases frequency vs. punishment → decreases frequency.
2. The order of events: negative → aversive stimulus stops vs. punishment → aversive stimulus begins.
Term
Verbal reprimand (Punishment I)
Definition
a scolding or admonishment.
Term
Restitution (Punishment I)
Definition
a misbehaving individual must return the environment to the same state of affairs that it was in before the misbehavior.
Term
Logical consequence (Punishment I)
Definition
whereby the punishment fits the crime.
Term
Positive-practice overcorrection (Punishment I)
Definition
involves having an individual repeat an action, but this time doing it correctly, perhaps in an exaggerated fashion.
Term
Time-out (Punishment II)
Definition
involves placing a misbehaving individual in a dull, boring situation with no opportunity for social interaction.
Term
In-house suspension (Punishment II)
Definition
is similar to a time-out that punished students are placed in a quiet, boring room within the school building.
Term
Response cost (Punishment II)
Definition
involves the withdrawal of a previously earned reinforcer.
Term
Why is physical punishment an ineffective form of punishment?
Definition
It can lead to resentment, inattention/avoidance to school task, and provides a model of aggression, thus communicating the message that aggression is acceptable.
Term
Psychological punishment
Definition
any consequence that seriously threatens a student's self-esteem or emotional well-being.
Term
Why is extra classwork an ineffective form of punishment?
Definition
communicates the message that schoolwork is unpleasant.
Term
Superstitious behavior
Definition
randomly administered reinforcement tends to reinforce whatever response has occurred immediately beforehand, and a learner will increase that response.
Term
Shaping
Definition
(AKA successive approximations) is a process of reinforcing successively closer and closer approximations to the desired behavior until that behavior is exhibited.
Term
Chaining
Definition
this process of first reinforcing just one response, then reinforcing tow responses in a row, then three, and so on.
Term
Extinction (instrumental conditioning)
Definition
occurs when a response decreases in frequency because it no longer leads to reinforcement.
Term
Continuous reinforcement
Definition
every response is reinforced.
Term
Intermittent reinforcement
Definition
some instances of the desired response are reinforced and some are not → intermittently reinforced responses are extinguished more slowly than continuously reinforced responses.
Term
Reinforcement schedules
Definition
a response continuously until it occurs in the desired form and at the desired frequency. After that, it should be maintained through intermittent reinforcement.
Term
Ratio schedule
Definition
is one in which reinforcement occurs after a certain number of responses have been emitted.
Term
Interval schedule
Definition
is one in which reinforcement is contingent on the first response emitted after a certain time interval has elapsed.
Term
Variable-interval schedule
Definition
reinforcement is contingent on the first response emitted after a certain time interval has elapsed, but the length of the interval changes from one occasion to the next → the longer the average time interval until reinforcement, the slower the response rate will be.
- Greater resistance to extinction than fixed, because of the unpredictability of reinforcement.
Term
Differential schedule of reinforcement
Definition
is a specific number of responses occurring within a specific length of time leads to reinforcement.
Term
Differential rate of high responding (DRH)
Definition
provides reinforcement only when a specific, large number of responses have occurred within a particular time period → time is critical, because it requires many responses in a short amount of time, a high response rate is typical.
Term
Differential rate of low responding (DRL)
Definition
reinforces the first response after a certain length of time in which the learner has not made the response at all.
Term
Avoidance learning
Definition
is the process of learning to stay away from an aversive stimulus → one that causes pain, anxiety, or frustration.
Term
Active avoidance learning
Definition
the learner must actively make a particular response to avoid an aversive event.
Term
Passive avoidance learning
Definition
learners learn that NOT making a particular response allow them not to avoid an aversive event.
Term
Pre-aversive stimulus
Definition
a cue signaling the advent of the aversive stimulus.
Term
Avoidance learning may sometimes be a two-step process
Definition
1. The pre-aversive stimulus and the aversive are presented close together in time, the learner learns to fear the pre-aversive stimulus through a process of a classical conditioning.
2. An avoidance response leads to negative reinforcement and possibly also intrinsic positive reinforcement.
Term
Antecedent stimuli and antecedent responses
Definition
some stimuli and responses, which set the stage for certain behaviors to follow and for other behaviors NOT to.
Term
Discriminative stimulus
Definition
this antecedent stimulus doesn't directly elicit the response as it does in classical conditioning, rather, it increases the probability that the response will be followed by reinforcement.
Term
Stimulus control
Definition
when an organism is more likely to make certain responses in the presence of certain stimuli.
Term
Cueing
Definition
(AKA prompting) provides an additional discriminative stimuli that lets students know how to behave.
Term
Setting events
Definition
complex environmental conditions under which certain behaviors are most likely to occur.
Term
Generalization
Definition
when a learner has learned to respond in a certain way in the presence of one stimulus (S+) it may respond in the same way in the presence of other stimuli → most likely to occur when a new stimulus is similar to a previously learned antecedent stimulus.
Term
Generalization gradient
Definition
this tendency to generalize more readily as stimuli become more similar to the original discriminative stimulus.
Term
Stimulus discrimination
Definition
a response may be reinforced in the presence of one stimulus (S+) but not in the presence of another stimulus (S-).
Term
Behavioral momentum
Definition
learners are more likely to make desired responses if they are already making similar response.
Term
Contrast effects
Definition
1. Elation effect: occurs when the amount of reinforcement is increased → an organism's response rate becomes FASTER than it would be if the reinforcement had always been at that higher level.
2. Depression effect: occurs when the amount of reinforcement is decreased → an organism's response rate becomes slower than it would be if reinforcement had always been that low.
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