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Describe the relationship between stimulus discrimination and stimulus generalization.

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The peak-shift phenomenon is important because it demonstrates that


A) the greatest level of performance may occur in response to an untrained stimulus.
B) excitatory conditioning may take place in response to the training S+.
C) inhibitory conditioning may take place in response to the training S+.
D) overshadowing effects are also present in discrimination training.

E) C) and D)
F) A) and D)

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In an instrumental discrimination procedure,which of the following serves as a modulator?


A) the response
B) the S+
C) the reinforcer
D) the response-reinforcer relationship

E) C) and D)
F) B) and D)

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Which of the following best states the distribution of stimulus control over the instrumental behavior of pigeons?


A) Responding in both appetitive and aversive situations is likely to be controlled by visual rather than auditory stimuli.
B) Responding in both appetitive and aversive situations is likely to be controlled by auditory rather than visual stimuli.
C) Responding in appetitive situations is more likely to be controlled by auditory cues; responding in aversive situations by visual cues.
D) Responding in appetitive situations is more likely to be controlled by visual cues; responding in aversive situations by auditory cues.

E) A) and B)
F) None of the above

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The configural-cue approach asserts that the overshadowing effect is due to


A) the type of instrumental response required.
B) the ease with which one of the stimuli can be conditioned.
C) the type of reinforcer delivered.
D) the generalization decrement from training to test trials.

E) All of the above
F) C) and D)

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Your professor tells you that your dog is demonstrating stimulus discrimination.This means that


A) your dog is responding differently to two or more stimuli.
B) your dog is responding differently to repeated presentations of the same stimulus.
C) your dog is responding similarly to two or more stimuli.
D) it is time to find a new dog.

E) A) and D)
F) A) and B)

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Which of the following tones will result in the greatest peak-shift phenomenon?


A) S+ = 1000 Hz: S- = no tone
B) S+ = 1000 Hz: S- = 990 Hz
C) S+ = 1000 Hz: S- = 1030 Hz
D) S+ = 1000 Hz: S- = 900 Hz

E) A) and D)
F) B) and C)

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Which of the following is not true of Spence's theory as applied to the peak shift phenomenon?


A) It is an absolute stimulus learning model basing behavior on the net excitatory properties of individual stimuli.
B) It assumes that organisms learn to respond to a stimulus based on the relation of that stimulus to other cues present.
C) It predicts the peak shift phenomenon will only occur when the excitatory and inhibitory generalization gradients overlap.
D) The excitatory and inhibitory stimulus generalization gradients do not depend on one another.

E) C) and D)
F) None of the above

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Dogs trained on a go/no-go discrimination rather than a right-left discrimination learned to respond mainly to which feature of the cues?


A) quality
B) location
C) intensity
D) salience

E) A) and B)
F) A) and D)

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A flat stimulus generalization gradient indicates that subjects are


A) not responding to conditioning.
B) responding similarly to several stimuli.
C) responding mostly but not exclusively to the test stimulus.
D) responding only to the test stimulus.

E) None of the above
F) A) and B)

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According to some learning theorists,in order to train a child to sleep through the night,a parent should do all of the following except


A) allow the child to sleep only in his or her own bed.
B) check on the child, if necessary, with a minimum of disturbance.
C) firmly but kindly scold the child when he or she wakes during the night.
D) develop a nonvarying bed-time routine.

E) A) and B)
F) All of the above

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Modulators serve to


A) mediate overshadowing effects.
B) modulate generalization effects.
C) indicate when a binary relation is in effect.
D) indicate when discrimination training has begun.

E) C) and D)
F) B) and C)

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For one group of pigeons,a black vertical bar on a white key light served as the S+ and the blank key light the S-.For another,the bar served as the S- and the blank key light the S+.When the bar was rotated toward the horizontal,the first group decreased pecking,and the second increased pecking.This demonstrates that


A) the response required influences discrimination training.
B) excitatory and inhibitory conditioning can occur in discrimination training.
C) discrimination training results in either excitatory or inhibitory conditioning, but not both.
D) overshadowing can influence discrimination training.

E) A) and D)
F) B) and C)

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A training stimulus of a red square inside of a yellow circle was used in a keypeck experiment with pigeons.In a follow-up experiment,one trained pigeon was found to respond more to a red square than a yellow circle.Another trained pigeon responded more to the yellow circle.This demonstrates that


A) stimulus control did not develop in the initial training.
B) stimulus control developed only in the subject responding more to the red square.
C) stimulus control developed only in the subject responding more to the yellow circle.
D) stimulus control can vary from subject to subject.

E) A) and B)
F) A) and C)

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Explain how the type of reinforcement provided can contribute to stimulus control.

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Assume you have a new position as a therapist.What are four things you can do to ensure that the treatment outcomes for your clients will generalize to settings outside your office?

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A tone signals that a red light will be followed by food delivery.Without the tone,food does not follow the red light presentation.After some training,the tone is repeatedly presented alone.You expect that its ability to facilitate the CR will be


A) reduced.
B) unchanged.
C) enhanced.
D) unpredictable.

E) B) and C)
F) A) and D)

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You are attempting to train your dog to sit.Every time you say the word sit and raise your hand,a friend pushes the dog into a sitting position.After a week of training,your dog sits when you speak the command,but still does nothing when you raise your hand.There may be a problem with _____ in this training.


A) generalization
B) overshadowing
C) discrimination
D) context

E) A) and D)
F) A) and C)

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The best evidence suggests that conditional relationships control behavior


A) in only instrumental conditioning situations.
B) in only classical conditioning situations.
C) in both instrumental and classical conditioning situations.
D) in neither instrumental nor classical conditioning situations; they are important only in discrimination training.

E) B) and D)
F) B) and C)

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Describe the difference between intradimensional- and interdimensional- discrimination training.

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