LSAT 151 – Section 3 – Question 22

LSAT 151 - Section 3 - Question 22

September 2018

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Question
QuickView		 Type Tags Answer
Choices		 Curve Question
Difficulty		 Psg/Game/S
Difficulty		 Explanation
PT151 S3 Q22
+LR
Weaken +Weak
Causal Reasoning +CausR
A
11%
155
B
2%
157
C
53%
161
D
2%
153
E
32%
164
158
170
180
 +Hardest 146.292 +SubsectionMedium

Insurers and doctors are well aware that the incidence of lower-back injuries among office workers who spend long hours sitting is higher than that among people who regularly do physical work of a type known to place heavy stresses on the lower back. This shows that office equipment and furniture are not properly designed to promote workers’ health.

Summarize Argument: Phenomenon-Hypothesis
The author hypothesizes that office equipment and furniture are not properly designed to promote workers’ health. This is based on the fact that the incidence of lower-back injuries among office workers who spend a long time sitting is higher than the incidence of lower-back injuries among people who regularly do physical work that puts stresses on their lower back.

Notable Assumptions
The author assumes that the there’s no other explanation for the higher rate of lower-back injuries among office workers than the design of office equipment and furniture. This overlooks the possibility that there’s some difference between office workers and physical laborers that might account the difference in rate of lower-back injury.

A
When they are at home, laborers and office workers tend to spend similar amounts of time sitting.
If anything, this strengthens the argument by eliminating differences in sitting time at home as a potential explanation. For example, if officer workers had sit a lot more at home, then the overall sitting time might have been the true explanation for the higher rate of injury.
B
Insurance companies tend to dislike selling policies to companies whose workers often claim to have back pain.
What insurance companies prefer has no impact on what might explain the disparity in lower-back injury between office workers and physical laborers.
C
People who regularly do physical work of a type known to place heavy stress on the lower back are encouraged to use techniques that reduce the degree of stress involved.
We have no reason to think office workers aren’t similarly encouraged to use techniques that reduce back stress (ex. seat cushions). In addition, even if the laborers can reduce back stress, we’d still expect them to get back injuries at a higher rate than office workers.
D
Most of the lower-back injuries that office workers suffer occur while they are on the job.
The timing of injuries doesn’t have clear impact on the argument. Back stress might cause injury at work or it might build up and lead to injury at home. If this answer does anything, it might strengthen the argument by connecting injuries to the office.
E
Consistent physical exercise is one of the most effective ways to prevent or recover from lower-back injuries.
Laborers get much more physical exercise (which includes more than just gym activities/cardio) than office workers on the job. This disparity in physical exercise, rather than office equipment design, could be the true explanation for the disparity in lower-back injuries.

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LSAT PrepTest 151 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Logical Reasoning

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