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26 Mar 2018, 11:16
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B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
82% (01:40) correct
18%
(01:48)
wrong
based on 217
sessions
History
Date
Time
Result
Not Attempted Yet
A sudden surge in the rate of reported cases of a certain disease in Aquaville has resulted in investigations that revealed that in the past year, the level of pollutants in Aquaville’s fresh water source has increased manifold. Medical researchers have hypothesized that this polluted water is responsible for the increased incidence of this disease.
Each of the following provides additional support for the researchers’ hypothesis EXCEPT:
A) Towns with geographic and demographic characteristics similar to those of Aquaville, but without polluted water, have much lower rates of this disease
B) The symptoms of this disease, which help in its diagnosis, first start appearing fifteen to eighteen months post infection.
C) The same types of pollutants that have been found in Aquaville’s water have been independently linked to occurrences of high rates of this disease in other towns.
D) The rate of new cases of diseases among Aquaville residents who purchase bottled water from other sources is not usually high.
E) Most of the people afflicted with new cases of the disease had regularly consumed unfiltered water from Aquaville’s water source.
Source - Crackverbal
Each of the following provides additional support for the researchers’ hypothesis EXCEPT:
A) Towns with geographic and demographic characteristics similar to those of Aquaville, but without polluted water, have much lower rates of this disease
B) The symptoms of this disease, which help in its diagnosis, first start appearing fifteen to eighteen months post infection.
C) The same types of pollutants that have been found in Aquaville’s water have been independently linked to occurrences of high rates of this disease in other towns.
D) The rate of new cases of diseases among Aquaville residents who purchase bottled water from other sources is not usually high.
E) Most of the people afflicted with new cases of the disease had regularly consumed unfiltered water from Aquaville’s water source.
Source - Crackverbal
24 May 2018, 04:01
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The answer is B.
We'll go for the
A) Towns with geographic and demographic characteristics similar to those of Aquaville, but without polluted water, have much lower rates of this disease This DOES support the notion that the disease is the decisive factor
B) The symptoms of this disease, which help in its diagnosis, first start appearing fifteen to eighteen months post infection. This WEAKENS the claim - if the disease only develops over more than a year, it can't be the result of something that happened in the past year!
C) The same types of pollutants that have been found in Aquaville’s water have been independently linked to occurrences of high rates of this disease in other towns. Supports - tells us the same correlation occurred elsewhere
D) The rate of new cases of diseases among Aquaville residents who purchase bottled water from other sources is not usually high. supports - remove the factor (polluted water) and the result disappears
E) Most of the people afflicted with new cases of the disease had regularly consumed unfiltered water from Aquaville’s water source. supports - the correlation is even stronger than we previously thought
We'll go for the
Alternative
approach, since we are asked to find the one answer which is wrong. w'' go over them, and ask - which doesn't support the claim that polluted water is the cause of the disease?A) Towns with geographic and demographic characteristics similar to those of Aquaville, but without polluted water, have much lower rates of this disease This DOES support the notion that the disease is the decisive factor
B) The symptoms of this disease, which help in its diagnosis, first start appearing fifteen to eighteen months post infection. This WEAKENS the claim - if the disease only develops over more than a year, it can't be the result of something that happened in the past year!
C) The same types of pollutants that have been found in Aquaville’s water have been independently linked to occurrences of high rates of this disease in other towns. Supports - tells us the same correlation occurred elsewhere
D) The rate of new cases of diseases among Aquaville residents who purchase bottled water from other sources is not usually high. supports - remove the factor (polluted water) and the result disappears
E) Most of the people afflicted with new cases of the disease had regularly consumed unfiltered water from Aquaville’s water source. supports - the correlation is even stronger than we previously thought
06 Dec 2018, 02:08
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B) The symptoms of this disease, which help in its diagnosis, first start appearing fifteen to eighteen months post infection. This WEAKENS the claim - if the disease only develops over more than a year, it can't be the result of something that happened in the past year!
I have doubt in option C:
You have stated "if the disease only develops over more than a year, it can't be the result of something that happened in the past year!"....But there is no mentioned of time period when the disease started and when the survey was carried out...
Suppose the disease had contracted in January of 2017 , and the symptoms appear in July of 2018.. and at that time the investigation was carried out ....than this answer choice wont BE thE ANSWER.
suggest
I have doubt in option C:
You have stated "if the disease only develops over more than a year, it can't be the result of something that happened in the past year!"....But there is no mentioned of time period when the disease started and when the survey was carried out...
Suppose the disease had contracted in January of 2017 , and the symptoms appear in July of 2018.. and at that time the investigation was carried out ....than this answer choice wont BE thE ANSWER.
suggest
