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A researcher found that children who are anemic tend to have low concentrations of vitamin A in their blood in comparison with children who are not anemic. Based on this information, the researcher concluded that vitamin A protects against anemia in children.
The researcher’s conclusion depends on which of the following assumptions?
(A) A very high blood concentration of vitamin A protects against anemia more effectively than does an average concentration of vitamin A in the blood.
(B) Treatment for vitamin deficiency does not cure anemia.
(C) A child is protected against developing anemia by a lower concentration of vitamin A in the blood than is an adult.
(D) Children with high concentrations of vitamin A in the blood cannot develop anemia.
(E) Anemia does not cause low concentrations of vitamin A in the blood.
The researcher’s conclusion depends on which of the following assumptions?
(A) A very high blood concentration of vitamin A protects against anemia more effectively than does an average concentration of vitamin A in the blood.
(B) Treatment for vitamin deficiency does not cure anemia.
(C) A child is protected against developing anemia by a lower concentration of vitamin A in the blood than is an adult.
(D) Children with high concentrations of vitamin A in the blood cannot develop anemia.
(E) Anemia does not cause low concentrations of vitamin A in the blood.
18 Jun 2022, 22:23
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Here the researcher assuming that low concentrations of vitamin A is causing anemia, not vice versa . In other words, he is assuming that anemia does not cause low concentrations of vitamin A. E)
wadhwakaran
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Schools: INSEAD Aug'24 intake Oxford Said'25 Judge '25 Imperial'25 HEC Sep'24 Intake LBS '26 ISB '27
GMAT 1: 700 Q50 V35
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18 Jun 2022, 23:16
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The researcher concluded that vitamin A protects against anemia in children.
Cause: High Concentration of Vitamin A in blood
Effect: Tendency of Anemia goes down
In these questions, assumption should be such that reverse cause and effect should be eliminated.
In option E
Cause: Anemia
Effect: Concentration of Vitamin A does not go down in blood
Therefore, option E eliminates reverse cause and effect. Therefore, option E is the answer
Cause: High Concentration of Vitamin A in blood
Effect: Tendency of Anemia goes down
In these questions, assumption should be such that reverse cause and effect should be eliminated.
In option E
Cause: Anemia
Effect: Concentration of Vitamin A does not go down in blood
Therefore, option E eliminates reverse cause and effect. Therefore, option E is the answer
