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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

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According to Spence's theory, the peak shift phenomenon occurs because


A) the excitatory generalization gradient shifts away from the S-.
B) the excitatory generalization gradient shifts towards the S-.
C) the excitatory and inhibitory generalization gradients summate.
D) the inhibitory generalization gradient shifts towards the S+.

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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.

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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.

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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.

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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.

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

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Describe the phenomenon of overshadowing and describe how it may be explained by elemental and configural approaches to stimulus control.

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Which of the following is a true statement about stimulus control?


A) Stimulus control frequently occurs without stimulus discrimination.
B) Stimulus control cannot occur without stimulus discrimination.
C) Stimulus control of behavior is constant across a species.
D) None of the above

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Describe Spence's theory of discrimination learning. What evidence supports this theory? How does this theory account for the peak-shift effect?

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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.

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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

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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.

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A drug has been developed to keep Mg++ in the NMDA receptor. You predict this will


A) facilitate long-term potentiation.
B) increase the expression of AMPA in the postsynaptic membrane.
C) disrupt long-term potentiation.
D) enhance transfer of memory from short to long-term.

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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

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Describe the ways in which contextual cues can come to control behavior.

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Other students take advantage of the professor's absence to look on each others' papers. When the professor periodically returns, this behavior stops, only to start again when the professor leaves. This is an example of


A) overshadowing.
B) a multiple schedule of reinforcement.
C) stimulus generalization.
D) the peak-shift effect.

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In the peak-shift phenomenon, the peak performance shifts


A) to the training S+.
B) to the training S-.
C) from the training S+ away from the training S-.
D) from the training S+ towards the training S-.

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

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Describe the role of contextual cues in the control of a common human behavior.

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