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Explanations

PT155.S1.Q21

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 1 - Question 21

Question

Explanation

Analytics

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Guidelines for constructing new Bonjour hotels: A hotel is to have a radiant floor heating system installed if a radiant floor cooling system is being installed or if it is to be a luxury hotel; however, a radiant floor cooling system should not be installed in any hotel that is located in a region that tends to have high humidity during the summer.

Summary

The guidelines set out some conditional relationships that apply when new Bonjour hotels are being constructed:

(1) If radiant floor cooling is to be installed or if it’s a luxury hotel, then radiant floor heating is to be installed.

(2) If radiant floor cooling is to be installed, then it’s not a region with high humidity in the summer.

Find or Complete the Application

We need to find the right application. The guidelines can support conclusions about when we should include heating and when we should not include cooling for the construction of new Bonjour hotels.

We can conclude we should include heating if the hotel also has a cooling system or if it’s a luxury hotel.

We can conclude we should not include cooling if the hotel doesn’t have heating or if it’s somewhere with high humidity in summer.

Analysis by AlbertGauthier

Show answer

21.

The reasoning in which one ██ ███ █████████ ██ ████ ████████ █████████ ██ ███ ███████████

The newest Bonjour █████ ██████ ███ ████ █ ███████ █████ ███████ ██████ ██████████ ███ ██ ██ ███ █████ █████ ███████████ ███ ██ ████ ███ ██ █ ██████ ██████

Doesn’t trigger the rule. The guidelines in the stimulus only apply to constructing new hotels. So we have no support for reaching any conclusions about what should be done in hotels that aren’t being newly constructed.

The newest Bonjour █████ ██████ ████ █ ███████ █████ ███████ ██████ ███ ███ █ ███████ █████ ███████ ██████ ██████████ ███ ██ ████ ██ █ ██████ █████ ██ █ ██████ ████ ███ ████ ████████ ██████████ ███ █████

It’s a luxury hotel, so we can conclude we should include heating. And it’s somewhere that has high humidity throughout the whole year, meaning there’s high humidity in the summer, so we can conclude we should not include cooling.

The newest Bonjour █████ ██████ ███ ████ █ ███████ █████ ███████ ██████ ██████████ ███ ██ ████ ███ ██ █ ██████ █████ ███ ██ ████ ████ █ ███████ █████ ███████ ███████

Doesn’t trigger the rule. We can conclude a hotel should not have a cooling system if either (1) it doesn’t have a heating system or (2) it’s somewhere with high humidity in the summer. (C) doesn’t satisfy either of those conditions, so we can’t reach this conclusion.

The newest Bonjour █████ ██████ ████ ███████ █ ███████ █████ ███████ ██████ ███ █ ███████ █████ ███████ ██████ ██████████ ███ ██ ████ ██ █ ██████ █████ ██ █ ██████ ████ ██████████ ███ ████ ████████ ██ ███ ███████

Wrong conclusion. We can only conclude when a hotel should have a heating system—not when it shouldn’t have a heating system. In fact, the conclusion here is anti-supported, because we know luxury hotels should always include a heating system.

The newest Bonjour █████ ██████ ████ ████ █ ███████ █████ ███████ ██████ ███ █ ███████ █████ ███████ ██████ ██████████ ███ ██ ████ ██ █ ██████ █████ ██ █ ██████ ████ ████ ███ ████████ ██████████ ███ █████

Wrong conclusion. We can only conclude when a hotel shouldn’t have a cooling system—not when it should. The absence of high humidity in the summer is necessary, not sufficient, for including a cooling system. So knowing that the hotel is somewhere with low humidity doesn’t tell us whether to include cooling.

Difficulty

Question

63% of people who answer get this correct

This is a difficult question.

CURVE

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

25% 144

155

75% 166

Analysis

Question Stem Tags

PSA - find or complete the application

Stems that tell us there will be a general rule or principle in the stimulus, and ask us which answer choice illustrates or conforms to that rule.

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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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Rule-application

Stimuli that involve the application of a general rule to specific scenarios.

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Answer Popularity

Popularity Avg. score

154

62%

163

153

11%

157

22%

158

Question history

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