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

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From which receptor subtype must Mg++ be removed for long-term potentiation to occur


A) dopaminergic
B) NMDA
C) AMPA
D) acetylcholenergic

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

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B

Dogs are trained with a red-light S+ and a yellow-light S- in context 1.Then, in context 2, the same dogs receive training with a yellow-light S+ and a red-light S-.Assuming they receive the same number of reinforcers in each context during training, what will be the role of the contexts in the subsequent test trials in each context?


A) The contexts will be associated with different S+/S- contingencies.
B) The contexts will not appear to control behavior because the reinforcers delivered in each context were the same.
C) Context 1 will cause a peak shift of the performance in context 2 because excitatory training occurred there first.
D) Context 2 will cause a peak shift of the performance in context 1 because of recency effects.

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

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Describe the relationship between stimulus discrimination and stimulus generalization.

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What does the steepness of a stimulus generalization reveal to a researcher?

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In a positive patterning procedure of discrimination training


A) cue A is reinforced, cue B is not reinforced.
B) cue AB is reinforced, cue A is not reinforced, cue B is reinforced.
C) cue AB is reinforced, cue A is not reinforced, cue B is not reinforced.
D) cue B is reinforced, cue A is not reinforced.

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

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

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According to the configural-cue approach,


A) stimulus elements maintain their individuality in their control of behavior even when in a compound stimulus.
B) individuals respond to a compound stimulus in terms of the unique blend of the compound elements.
C) stimulus elements maintain their individuality in their control of behavior only when in a compound stimulus.
D) a less salient stimulus element can control behavior if the required response is carefully chosen.

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

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The stimulus-element approach assumes that


A) stimulus elements maintain their individuality in their control of behavior even when in a compound stimulus.
B) stimulus elements maintain their individuality in their control of behavior except when in a compound stimulus.
C) stimulus elements maintain their individuality in their control of behavior only when in a compound stimulus.
D) stimulus elements act as a configuration to control behavior when they are presented in a compound stimulus.

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

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A hamster is trained to push a lever to earn a food pellet each time it hears a bell.When a buzzer sounds, pushing the lever does not result in food delivery.The hamster quickly learns to respond to the bell and does not respond to the buzzer.We can conclude


A) the hamster has learned to respond only when the S+ is present.
B) the hamster has learned to suppress responding only when the S- is present.
C) the hamster has learned to respond only when the S+ is present and to suppress responding only when the S- is present.
D) that more information is needed to determine what the hamster has learned.

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

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Describe a way to determine if an animal is demonstrating stimulus discrimination.

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Which of the following conditioning procedures will result in the flattest stimulus generalization gradient?


A) no training prior to testing with various frequency tones
B) S+ = 500 Hz tone; S- = no tone
C) S+ = 1000 Hz tone; S- = 900 Hz tone
D) S+ = 600 Hz tone: S- = 500 Hz tone

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

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What are some of the differences between conditioned excitation and modulation?

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Which of the following conditioning procedures will result in the steepest stimulus generalization gradient?


A) S+ = 1000 Hz tone; S- = no tone
B) S+ = 500 Hz tone; S- = 850 Hz tone
C) S+ = 600 Hz tone; S- = 450 Hz tone
D) S+ = 950 Hz tone; S- = 900 Hz tone

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

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A colorblind dog is trained to press a lever in the presence of a 590 nm wavelength colored light.The stimulus generalization gradient when the dog is tested in the presence of other colors will


A) be flat.
B) rise steeply just before the 590 nm mark, then drop shortly after.
C) gradually rise and fall, with a peak at 590 nm.
D) rise to a high at 590 nm and remain there.

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

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Stimulus control of instrumental behavior is demonstrated by which of the following?


A) similar responding in the presence of similar stimuli
B) similar responding in the presence of different stimuli
C) differential responding in the presence of different stimuli
D) differential responding in the presence of similar stimuli

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

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C

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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Answer not provided

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

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In a stimulus discrimination procedure, subjects are


A) repeatedly exposed to a single stimulus as a cue for the availability of a reinforcer.
B) exposed once to a single stimulus as a cue for the availability of a reinforcer.
C) exposed to at least two stimuli, only one of which is a cue for the availability of a reinforcer.
D) exposed to at least two stimuli, all of which signal the availability of a reinforcer.

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

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A loud buzzer is paired with a dim light as a signal for a dog to press a lever to gain access to food.The dog quickly learns to respond to the buzzer alone, but does not learn to respond vigorously to the light alone.According to the configural-cue approach, this is because of


A) the type of reinforcer being delivered.
B) the type of response required of the dog.
C) a generalization decrement from training to test trials.
D) the evolutionary configuration of appetitive responding.

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

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