In a learning experiment a researcher ran rats through a : GMAT Critical Reasoning (CR)
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# In a learning experiment a researcher ran rats through a

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In a learning experiment a researcher ran rats through a [#permalink]

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12 Jan 2007, 21:02
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In a learning experiment a researcher ran rats through a maze. Some of the rats were blind, others deaf, others lacked a sense of smell, and others had no sensory deficiencies: yet all the rats learned the task in much the same amount of time. Of the senses other than sight, hearing, and smell, only kinesthesia had not previously been shown to be irrelevant to maze-learning. The researcher concluded on the basis of these facts that kinesthesia, the sensation of bodily movement, is sufficient for maze-learning.

The researcherâ€™s reasoning is most vulnerable to which one of the following criticisms?

(A) The small differences in proficiency found by the researcher did not appear to fall into a systematic pattern by group.
(B) The possibility that the interaction of kinesthesia with at least one other sense is required for maze-learning cannot be ruled out on the basis of the data above.
(C) It can be determined from the data that rats who are deprived of one of their sources of sensory stimulation become more reliant on kinesthesia than they had been, but the data do not indicate how such a transference takes place.
(D) It can be determined from the data that rats can learn to run mazes by depending on kinesthesia alone, but the possibility that rats respond to non-kinesthetic stimulation is not ruled out.
(E) It can be determined from the data that maze-learning in rats depends on at least two sources of sensory stimulation, one of which is kinesthesia, but which of the remaining sources must also be employed is not determinable.
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12 Jan 2007, 21:47
I would go with B. Rats have atleast one more sense along with K.
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13 Jan 2007, 13:49
AK47 wrote:
In a learning experiment a researcher ran rats through a maze. Some of the rats were blind, others deaf, others lacked a sense of smell, and others had no sensory deficiencies: yet all the rats learned the task in much the same amount of time. Of the senses other than sight, hearing, and smell, only kinesthesia had not previously been shown to be irrelevant to maze-learning. The researcher concluded on the basis of these facts that kinesthesia, the sensation of bodily movement, is sufficient for maze-learning.

The researcherâ€™s reasoning is most vulnerable to which one of the following criticisms?

(A) The small differences in proficiency found by the researcher did not appear to fall into a systematic pattern by group.
(B) The possibility that the interaction of kinesthesia with at least one other sense is required for maze-learning cannot be ruled out on the basis of the data above.
(C) It can be determined from the data that rats who are deprived of one of their sources of sensory stimulation become more reliant on kinesthesia than they had been, but the data do not indicate how such a transference takes place.
(D) It can be determined from the data that rats can learn to run mazes by depending on kinesthesia alone, but the possibility that rats respond to non-kinesthetic stimulation is not ruled out.
(E) It can be determined from the data that maze-learning in rats depends on at least two sources of sensory stimulation, one of which is kinesthesia, but which of the remaining sources must also be employed is not determinable.

B.
A-proficiency is out of scope
C-transference is irrelevant
D-it is not determined that rats can do the maze on K alone, could be other factors
E-dont know that two sources are needed. and dont know that if there's another, that it is not determinable.
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13 Jan 2007, 14:11
B !
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13 Jan 2007, 15:12
B looks good. Alternate reason ......
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13 Jan 2007, 19:51
my B too.. kinesthesia may not be solely responsible...
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13 Jan 2007, 21:44
choice B is right
Re: cr-experiment   [#permalink] 13 Jan 2007, 21:44
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