LSAT 124 – Section 3 – Question 05

LSAT 124 - Section 3 - Question 05

December 2007

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT124 S3 Q05
+LR
Main conclusion or main point +MC
A
0%
154
B
2%
156
C
2%
155
D
2%
154
E
95%
164
128
137
146
 +Easier 145.896 +SubsectionMedium

Brain-scanning technology provides information about processes occurring in the brain. For this information to help researchers understand how the brain enables us to think, however, researchers must be able to rely on the accuracy of the verbal reports given by subjects while their brains are being scanned. Otherwise brain-scan data gathered at a given moment might not contain information about what the subject reports thinking about at that moment, but instead about some different set of thoughts.

Summarize Argument
The author makes a claim about what needs to occur in certain studies. Using brain scanning technology to understand thinking requires accurate verbal reports from the subjects being scanned. This is because the brain scan data would not contain useful information about thought processes if the subject reports thinking one thing, but is actually thinking another.

Identify Conclusion
The conclusion is what needs to occur: “For this information to help researchers understand how the brain enables us to think, researchers must be able to rely on the accuracy of the verbal reports given by subjects while their brains are being scanned.”

A
It is unlikely that brain-scanning technology will ever enable researchers to understand how the brain enables us to think.
This concept is not contained in the stimulus. The stimulus concludes what needs to happen, not what is likely or unlikely.
B
There is no way that researchers can know for certain that subjects whose brains are being scanned are accurately reporting what they are thinking.
This concept is not contained in the stimulus. We know we need accurate information, but there is no discussion of certainty.
C
Because subjects whose brains are being scanned may not accurately report what they are thinking, the results of brain-scanning research should be regarded with great skepticism.
This concept is not contained in the stimulus. The stimulus concludes what needs to happen for data to be accurate, not how the results should be regarded.
D
Brain scans can provide information about the accuracy of the verbal reports of subjects whose brains are being scanned.
This is not contained in the stimulus. We know that the reports need to be accurate, but there is no information about the scans evaluating accuracy.
E
Information from brain scans can help researchers understand how the brain enables us to think only if the verbal reports of those whose brains are being scanned are accurate.
This accurately restates the argument the author is making - what needs to happen in order for the research to serve its purpose.

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LSAT PrepTest 124 Explanations

Section 1 - Logical Reasoning

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Reading Comprehension

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