LSAT 133 – Section 2 – Question 14
LSAT 133 - Section 2 - Question 14
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| Question QuickView |
Type | Tags | Answer Choices |
Curve | Question Difficulty |
Psg/Game/S Difficulty |
Explanation |
|---|---|---|---|---|---|---|---|
| PT133 S2 Q14 |
+LR
+Exp
| Inference +Inf Conditional Reasoning +CondR Quantifier +Quant | A
26%
161
B
8%
162
C
55%
168
D
10%
161
E
1%
156
|
155 163 171 |
+Hardest | 147.633 +SubsectionMedium |
Expert: What criteria distinguish addictive substances from nonaddictive ones? Some have suggested that any substance that at least some habitual users can cease to use is nonaddictive. However, if this is taken to be the sole criterion of nonaddictiveness, some substances that most medical experts classify as prime examples of addictive substances would be properly deemed nonaddictive. Any adequate set of criteria for determining a substance’s addictiveness must embody the view, held by these medical experts, that a substance is addictive only if withdrawal from its habitual use causes most users extreme psychological and physiological difficulty.
Summary
Some people say that any substance that at least some habitual users can stop using is nonaddictive. But this is wrong.
In order to be addictive, it must be the case that withdrawal from habitual use causes most users extreme psychological and physiological difficulty.
Very Strongly Supported Conclusions
Just because some habitual users can stop using a substance does not imply that substance is not addictive.
If it’s not the case that most users of a substance experience extreme psychological and physiological difficulty after stopping the habitual use of the substance, then the substance is not addictive.
A
If a person experiences extreme psychological and physiological difficulty in ceasing to use a substance habitually, that substance is addictive.
The stimulus never tells us what is sufficient to imply something is addictive. The criteria set forth by the author tells us what is REQUIRED (”only if”) to be addictive. But meeting the requirement described does not, by itself, establish that a substance is addictive.
B
Fewer substances would be deemed addictive than are deemed so at present if an adequate definition of “addictive” were employed.
The stimulus does not compare the number of substances deemed addictive now to the number that would be deemed addictive under a different definition. We don’t know whether the current definition is more or less restrictive than the one proposed by the author.
C
A substance that some habitual users can cease to use with little or no psychological or physiological difficulty is addictive only if that is not true for most habitual users.
Must be true based on the last sentence. In order to be addictive, then for most habitual users, when they stop using the substance, they should experience extreme psych. & phys. difficulty. So even if some habitual users can stop without that difficulty, in order to be addictive, we still need most users to experience that difficulty when stopping use of the substance.
D
A chemical substance habitually used by a person throughout life without significant psychological or physiological difficulty is nonaddictive.
Not supported, because we don’t know whether most habitual users who stop using the substance described in (D) don’t experience extreme psych. + phys. difficulty. (D) says nothing about whether stopping use causes difficulty.
E
“Addiction” is a term that is impossible to define with precision.
Not supported. The author tells us at least one thing that is required for addictiveness. We have no reason to think the author believes we can’t come up with a precise definition.
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LSAT PrepTest 133 Explanations
Section 1 - 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 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
- Question 26
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