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Seventy-five percent of the subjects in an experiment consumed only organic foods grown without the use of pesticides. After a two-year period of the study, this group exhibited significantly high immunity to the common cold and flu than did the other subjects - the control group - who did not consume only organic foods. The positive effects of organic foods were attributed to the absence of both harmful pesticides used in growing non-organic fruits and vegetables, and their residues, which are often ingested when eating such food.
Which of the following, if true, would best support the conclusion that the absence of pesticides in organic foods was responsible for the experimental results?
(A) The adult population generally does not consume as much organic food as what was consumed by the experimental group members.
(B) Some of the pesticides referred to in the conclusion of the study have been proven by other studies to have no positive or negative effect on immunity to the common cold and flu.
(C) The quantity of the organic foods consumed by individuals in the experimental group would have a total cost so prohibitive that such consumption would be impractical for most individuals not financially supported by a scientific study.
(D) The two groups of subjects had equal levels of immunity to the common cold and flu prior to the experiment.
(E) A second follow-up experiment in which subjects consumed only organic foods lacked a control group of subjects who ate non-organic foods.
Which of the following, if true, would best support the conclusion that the absence of pesticides in organic foods was responsible for the experimental results?
(A) The adult population generally does not consume as much organic food as what was consumed by the experimental group members.
(B) Some of the pesticides referred to in the conclusion of the study have been proven by other studies to have no positive or negative effect on immunity to the common cold and flu.
(C) The quantity of the organic foods consumed by individuals in the experimental group would have a total cost so prohibitive that such consumption would be impractical for most individuals not financially supported by a scientific study.
(D) The two groups of subjects had equal levels of immunity to the common cold and flu prior to the experiment.
(E) A second follow-up experiment in which subjects consumed only organic foods lacked a control group of subjects who ate non-organic foods.
18 Mar 2022, 07:38
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Seventy-five percent of the subjects in an experiment consumed only organic foods grown without the use of pesticides. After a two-year period of the study, this group exhibited significantly high immunity to the common cold and flu than did the other subjects - the control group - who did not consume only organic foods. The positive effects of organic foods were attributed to the absence of both harmful pesticides used in growing non-organic fruits and vegetables, and their residues, which are often ingested when eating such food.
Which of the following, if true, would best support the conclusion that the absence of pesticides in organic foods was responsible for the experimental results?
(A) The adult population generally does not consume as much organic food as what was consumed by the experimental group members. Incorrect
needs to prove only experiment, general population is irrelevant to argument
(B) Some of the pesticides referred to in the conclusion of the study have been proven by other studies to have no positive or negative effect on immunity to the common cold and flu. Incorrect
weakens argument
(C) The quantity of the organic foods consumed by individuals in the experimental group would have a total cost so prohibitive that such consumption would be impractical for most individuals not financially supported by a scientific study. Incorrect
irrelevant to argument
(D) The two groups of subjects had equal levels of immunity to the common cold and flu prior to the experiment. Correct
so, organic foods were the fact for improved immunity
(E) A second follow-up experiment in which subjects consumed only organic foods lacked a control group of subjects who ate non-organic foods. Incorrect
weakens argument
Which of the following, if true, would best support the conclusion that the absence of pesticides in organic foods was responsible for the experimental results?
(A) The adult population generally does not consume as much organic food as what was consumed by the experimental group members. Incorrect
needs to prove only experiment, general population is irrelevant to argument
(B) Some of the pesticides referred to in the conclusion of the study have been proven by other studies to have no positive or negative effect on immunity to the common cold and flu. Incorrect
weakens argument
(C) The quantity of the organic foods consumed by individuals in the experimental group would have a total cost so prohibitive that such consumption would be impractical for most individuals not financially supported by a scientific study. Incorrect
irrelevant to argument
(D) The two groups of subjects had equal levels of immunity to the common cold and flu prior to the experiment. Correct
so, organic foods were the fact for improved immunity
(E) A second follow-up experiment in which subjects consumed only organic foods lacked a control group of subjects who ate non-organic foods. Incorrect
weakens argument
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