PT134.S2.Q2 > Analytics

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

SECTION 3 · lr

SECTION 4 · rc

PASSAGE 1

Question 1 Question 2 Question 3 Question 4 Question 5 Question 6

PASSAGE 2

Question 7 Question 8 Question 9 Question 10 Question 11 Question 12

PASSAGE 3

Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19

PASSAGE 4

Question 20 Question 21 Question 22 Question 23 Question 24 Question 25 Question 26 Question 27

The psychologist concludes that napping tends to cause insomnia. This is based on the observation that, on commercial fishing vessels and in a study of university students, people who nap often tend to suffer from insomnia more often.

The psychologist observes a correlation between frequent napping and insomnia, and concludes that napping causes insomnia. This conclusion is flawed because it overlooks the alternative explanation that insomnia (and the resulting sleep deprivation) causes people to take naps more often.

The psychologist doesn’t presume that university students suffer from insomnia more often than members of the general public.

The psychologist doesn’t claim that all instances of insomnia have the same cause, just that napping is one cause of insomnia.

It’s not needed for the psychologist to define the term “napping”; the term clearly refers to short periods of sleeping during the day.

The psychologist’s argument only considers one possible causal relationship between insomnia and napping—that napping causes insomnia. This fails to consider the alternative causality that insomnia leads to more frequent napping.

Whether or not commercial fishers can ever have regular sleep patterns is irrelevant to their role in the argument. What’s important is just that commercial fishers also display a correlation between napping and insomnia.

Question

91% of people who answer get this correct

This is a moderately difficult question.

CURVE

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

25% 134

142

75% 150

Question Stem Tags

Flaw or descriptive weakening

Stimulus Tags

Causal reasoning

Popularity Avg. score

148

153

91%

163

153

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PrepTest 134 - Section 2 - Question 2

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