LSAT 153 – Section 3 – Question 13

LSAT 153 - Section 3 - Question 13

June 2019

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Question QuickView	Type	Tags	Answer Choices	Curve	Question Difficulty	Psg/Game/S Difficulty	Explanation
PT153 S3 Q13	+LR	Except +Exc Resolve reconcile or explain +RRE Causal Reasoning +CausR	A 4% 152 B 6% 154 C 1% 153 D 84% 163 E 6% 157	137 146 154	+Medium	146.755 +SubsectionMedium

A study tested the performance of 70 pilots, half of whom chose to go on a reduced-calorie diet. Those who did not diet performed well, while pilots who were dieting performed worse, although they had performed well before they started their diets. The average level of impairment for the dieters was approximately equal to that caused by consuming two alcoholic drinks on an empty stomach.

"Surprising" Phenomenon

Pilots who dieted performed worse than pilots who didn’t diet.

Objective

Since this is an “Except” question, the correct answer won’t help explain the results of the study. In other words, we won’t learn why caloric deficit has such a strong impact on pilots.

Dieters often become preoccupied with worries about their weight losses and calorie intakes.

The dieting pilots were more concerned about their weight loss than about flying their planes properly. This certainly contributes to an explanation.

Many of the pilots, including both dieters and nondieters, consumed alcohol before the tests, and dieting increases vulnerability to alcohol’s effects.

For whatever reason, many of the pilots in the test had a couple drinks beforehand. The dieters couldn’t handle their liquor, hence their reduced performance.

Reduced-calorie dieting makes most people more vulnerable to irritability and fatigue.

The dieting pilots got tired during the test, hence their poor performance.

Many of the pilots chose to go on the diet because they were curious about whether one’s weight affects one’s piloting skills.

We’re not interested in why the pilots chose to diet. We’re interested in why dieting effects piloting, which this doesn’t explain.

Whereas alcohol has no effect on the level of glucose (a nutrient vital to brain function) in the bloodstream, dieting lowers the glucose level.

The dieters were lacking a nutrient vital to proper cognition. Their flying abilities suffered accordingly.

LSAT 153 – Section 3 – Question 13

LSAT 153 - Section 3 - Question 13

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LSAT PrepTest 153 Explanations

Section 1 - Reading Comprehension

Section 2 - Logical Reasoning

Section 3 - Logical Reasoning

Section 4 - Reading Comprehension

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