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Explanations

PT155.S4.Q11

SECTION 1 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 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 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 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

SECTION 3 · rc

PASSAGE 1
Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7

PASSAGE 2
Question 8 Question 9 Question 10 Question 11 Question 12 Question 13 Question 14 Question 15

PASSAGE 3
Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22

PASSAGE 4
Question 23 Question 24 Question 25 Question 26 Question 27

SECTION 4 · lr

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 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

PrepTest 155 - Section 4 - Question 11

Question

Explanation

Analytics

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When using a manufactured pattern to make clothing, a tailor alters the pattern to accommodate any future distortion of the fabric. █████ ██████ ███ ████████ ██ ██ ██ ████ ██ █ ██████ █████ ████████████ █████████ █████ ███ ███████ █████ ███ ██████ ██████ ███ ███████ ██ ███ ███ ██████ ████████ █████ █ ████████████ ██████ █████ ███████ ███████ █ ████████ ███ ██████ ███████ ███ ███████ ██ ███ ███ ██████ ████████

Summary

The author concludes that a professional tailor always alters a pattern to fit the wearer. Why? Because any tailor always alters a pattern to fit the wearer, unless the wearer’s measurements already match the pattern to begin with.

Note that the first sentence provides no support for the conclusion.

Missing Connection

The conclusion is about professional tailors, but the premise refers only to tailors more broadly. Also, the conclusion is that professional tailors always alter the pattern, no exceptions. But the premise allows for an exception: tailors in general alter the pattern unless the wearer’s measurements already match the pattern.The premise would lead to the conclusion if we knew that for professional tailors specifically, the exception never applies. That is, for a professional tailor, the wearer’s measurements never match the pattern.

Analysis by AlbertGauthier

Show answer

11.

The conclusion follows logically if █████ ███ ██ ███ █████████ ██ ████████

Most manufactured patterns ██ ███ ███████ ███████████ ███ ██████ ██████████ ██ ███████ ████ ██████ ██ ████████

This says nothing about professional tailors and so can’t help us reach the conclusion. Also, fabric distortion is irrelevant. The argument is focused solely on how tailors change patterns to fit the wearer. Nothing in the stimulus suggests fabric distortion has any part in that.

At least some ███████ ███ ██████ ████████ ██ ███ ██████ ███ ██ ███ ███████ ████ ███ ████████████ ████████

Too weak. The fact that some professional tailors sometimes adjust the pattern to fit the wearer isn’t enough to reach the conclusion that all professional tailors always adjust the pattern. Also, note that any details about adjusting fabrics are irrelevant to the argument.

The best tailors ███ █████ ████ ████ ██ █████ ████████ ██ ███ ███ ██████ ████████

This refers to the best tailors, but the conclusion is about professional tailors. Because (C) tells us nothing about professional tailors, it can’t help us reach the conclusion.

All professional tailors ███ ████ ███ ██████ █████ ████████████ ██ ███ ███████ █████ █████ ██████ █████████

We know from the argument’s premise that if a person’s measurements do not exactly match the chosen pattern, a tailor will always alter the pattern. (D) adds that professional tailors always sew for such people. So professional tailors always alter the pattern.

A professional tailor ███ ██████ ████████ ███████ ███ ████ █ ██████ ████ ██████ ██ ████████

Fabric distortion is a red herring—it’s irrelevant to the argument. The argument is focused solely on how tailors change patterns to fit the wearer. Nothing in the stimulus suggests fabric distortion has any part in that.

Difficulty

Question

44% of people who answer get this correct

This is a very difficult question.

CURVE

Score of students with a 50% chance of getting this right

25% 155

163

75% 171

Analysis

Question Stem Tags

Sufficient assumption

Stems that ask us to provide an additional piece of information that, if true, would make the argument in the stimulus completely valid.

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Stimulus Tags

Conditional reasoning

Stimuli that feature conditional and set logic (e.g. A → B, A is true, therefore B is true).

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Diagram?

Diagramming the logic is likely helpful (but not necessary) to solve the problem.

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Link assumption

Arguments that feature an unjustified shift from one concept to another, which don't fit neatly into other common flaw categories (e.g. moving from premises about "houses" to a conclusion about "dwellings").

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Answer Popularity

Popularity Avg. score

19%

157

24%

159

150

44%

164

10%

157

Question history

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