LSAT 158 – Section 3 – Question 14
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Question QuickView |
Type | Tags | Answer Choices |
Curve | Question Difficulty |
Psg/Game/S Difficulty |
Explanation |
---|---|---|---|---|---|---|---|
PT158 S3 Q14 |
+LR
+Exp
| Parallel method of reasoning +Para Conditional Reasoning +CondR Quantifier +Quant | A
2%
150
B
3%
152
C
66%
163
D
18%
157
E
10%
153
|
143 153 163 |
+Harder | 145.724 +SubsectionMedium |
This is a Parallel Flaw Method of Reasoning question.
The question tests your understanding of quantifier and conditional logic.
The argument in the stimulus translates to:
fl-journalist ←s→ sell-lax-mag → /self-respecting
__________________
/fl-journalist ←s→ self-respecting
The conclusion is flawed. The valid conclusion that could have been drawn is:
fl-journalist ←s→ /self-respecting
Generalizing from this particular flawed argument, the form is this:
A ←s→ B → /C
__________________
/A ←s→ C
We need to find the same form in one of the answer choices.
Answer Choice (A)’s premise translates to:
high-school ←s→ bio → /kindergarten
In order for (A) to be right, the conclusion should have said:
/high-school ←s→ kindergarten
Or in English, “Some kindergarten teachers are not high school teachers.” But it doesn’t say that. It says “Biology is not taught by all teachers.” That’s a valid conclusion. It follows simply from the premise that kindergarten teachers don’t teach biology.
Answer Choice (B)’s premise translates to:
sbm —m→ teacher → /prefer
Like (A), this is a good setup for (B) to be right. In order for (B) to be right, the conclusion should have said:
/sbm ←s→ prefer
Or in English, “Some non-school board members prefer admin work to teaching.” But it doesn’t say that. It says, “Few school board members prefer admin work to teaching.”
Correct Answer Choice (C)’s premise translates to:
student ←s→ prefer → /member
In order for (C) to be right, the conclusion needs to say:
/student ←s→ member
Or in English, “Some members of the Calculus Club are not students.” That’s exactly what the conclusion in (C) says. This is an invalid conclusion. The valid conclusion is “student ←s→ /member” or “Some students are not members of the Calculus Club.”
Answer Choice (D)’s premise translates to:
princ ←s→ harsh-disc → /adviser
In order for (D) to be right, the conclusion should have said:
/princ ←s→ adviser
Or in English, “Some advisers to a debate team are not principals.” But it doesn’t say that. It says, “Some principals are not advisers to a debate team.” That’s a valid conclusion.
Answer Choice (E)’s premise translates to:
popular ←s→ leave-early
coaches → /leave-before-3
(E) is already wrong for the fact that the premises do not connect.
As a Blind Review exercise, we can fix (E) up:
popular ←s→ leave-early → /coach
Fixing the premises like this gives (E) a chance. (E) could say that, therefore, some coaches are not popular teachers. That would be the same formal flaw in the stimulus and therefore make (E) the right answer.
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LSAT PrepTest 158 Explanations
Section 1 - Reading Comprehension
- Passage 1 – Passage
- Passage 1 – Questions
- Passage 2 – Passage
- Passage 2 – Questions
- Passage 3 – Passage
- Passage 3 – Questions
- Passage 4 – Passage
- Passage 4 – Questions
Section 2 - Logical Reasoning
- Question 01
- Question 02
- Question 03
- Question 04
- Question 05
- Question 06
- Question 07
- Question 08
- Question 09
- Question 10
- Question 11
- Question 12
- Question 13
- Question 14
- Question 15
- Question 16
- Question 17
- Question 18
- Question 19
- Question 20
- Question 21
- Question 22
- Question 23
- Question 24
- Question 25
Section 3 - Logical Reasoning
- Question 01
- Question 02
- Question 03
- Question 04
- Question 05
- Question 06
- Question 07
- Question 08
- Question 09
- Question 10
- Question 11
- Question 12
- Question 13
- Question 14
- Question 15
- Question 16
- Question 17
- Question 18
- Question 19
- Question 20
- Question 21
- Question 22
- Question 23
- Question 24
- Question 25
Section 4 - Logical Reasoning
- Question 01
- Question 02
- Question 03
- Question 04
- Question 05
- Question 06
- Question 07
- Question 08
- Question 09
- Question 10
- Question 11
- Question 12
- Question 13
- Question 14
- Question 15
- Question 16
- Question 17
- Question 18
- Question 19
- Question 20
- Question 21
- Question 22
- Question 23
- Question 24
- Question 25
- Question 26
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