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People in medieval times believed that lice were beneficial for their

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People in medieval times believed that lice were beneficial for their  [#permalink]

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New post 23 Jan 2019, 21:08
1
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A
B
C
D
E

Difficulty:

  65% (hard)

Question Stats:

48% (01:47) correct 52% (01:36) wrong based on 67 sessions

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People in medieval times believed that lice were beneficial for their health, because there hardly used to be any lice on
people who were unwell. The reasoning was that the people got sick because the lice left. The real reason
however is that lice are extremely sensitive to body temperature. A small increase of body temperature, such as in
a fever, will make the lice look for another host.

If the above statements are all true, then what was wrong with the reasoning of people in medieval times about the
connection between lice and disease?

A) They assumed that nothing else could lead to the disease except the lice

B) They assumed that a correlation was actually a cause and effect relation

C) They assumed that the sample size that they saw was representative of the entire population at that time

D) They mistook the cause of something for its effect

E) They assumed without warrant that a necessary condition is most definitely also going to be a sufficient one.

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Posts: 89
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Re: People in medieval times believed that lice were beneficial for their  [#permalink]

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New post 23 Jan 2019, 21:10
D
The problem with the thinking of the early Europeans was that they assumed that the absence of
lice was the cause and the disease was the effect whereas in fact disease was the cause and
absence of lice was the effect. Thus they mistook the cause for the effect. (D) states this best and is
the correct answer.

A. This still does not explain why the lice went away

B. The correlation is indeed a cause and effect relation; they just reversed the cause and the effect

C. The problem is never of representativeness

D. The correct answer

E. This argument is not one of necessary and sufficient conditions
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Re: People in medieval times believed that lice were beneficial for their   [#permalink] 23 Jan 2019, 21:10
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