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The precipitate rise in the incidence of type 1 ,
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18 Dec 2024, 01:42
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The precipitate rise in the incidence of type 1 , or juvenile, diabetes, as well as the startling decrease in average age at onset, has led to a nearly commensurate rise in causation hypotheses. The single factor that scientists have most commonly and consistently linked with the rise of cases of type 1 diabetes is weight gain, and, indeed, children's weights are increasing generation by generation, and the greater BMI (body mass index), the younger the child is likely to be at the age of onset. Other factors linked to this rise in incidence and decrease in average of age of onset and tracked with varying degrees of success in recent studies include psychological stress, the increased wealth of the homes in which the children reside, the increased levels of hygiene in the homes in which the children reside, and nourishment by infant formula during 10 the first six months of life. Some of these theories have garnered more academic support than others, but, no matter how much support they have received, correlation is not causation.
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Question Stats:
60% (02:18) correct
40% (02:39) wrong based on 10 sessions
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The writer mentions greater BMI at earlier ages in this paragraph in order to
A. introduce a common causation hypothesis. B. provide support for an implied argument. C. reinforce the importance of a healthful diet for children. D. provide a possible explanation for the confusion of cause and correlation. E. cast doubt on studies that collect data on wealth and hygiene.
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29% (01:44) correct
71% (02:05) wrong based on 7 sessions
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Which of the following, if it were true, would most seriously weaken the import of a specific data set suggesting a correlation?
A. The average age at onset of type 1 diabetes decreased by one year over a period of just five years. B. Nourishment by baby formula has not been correlated to a rise in BMI. C. Among stress factors, only poor performance in school and divorce have been shown to correlate with increased incidence of type 1 diabetes. D. The incidence of type 1 diabetes is rising at a slower rate among children who are not overweight. E. There is a higher rate of type 1 diabetes in households with incomes of more than $\$ 80,000$ than in households with lower incomes.
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71% (00:37) correct
29% (00:22) wrong based on 7 sessions
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The sentence "Some of these theories...correlation is not causation" serves which of the following purposes in the passage?
A. It provides evidence for an argument against the conclusions previously stated in the passage. B. It makes an assertion that supports the conclusions previously stated in the passage. C. It questions the conclusions previously stated in the passage.
I am also having a hard time with questions like 2 and 3 in the passage, can you please suggest: 1. video/text to read to improve at these and understand 2. set of practice questions
Re: The precipitate rise in the incidence of type 1 ,
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19 Dec 2024, 09:49
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OFFICIAL EXPLANATION QUESTION #1
Like many of the questions on the GRE ${ }^{\circledR}$ General Test, this question is about main idea and supporting details. The passage implies that scientists have most consistently explored weight gain as a cause of type 1 diabetes; weight gain is most commonly and consistently linked with the rise in incidence. While scientists have found that the increased incidence correlates with this rise, not that it causes the disease, this idea nevertheless constitutes a causation hypothesis, choice A. Choice B can be eliminated because this paragraph is informational; there is no implied argument. The passage does not state or imply anything about a healthful diet, so choice C is incorrect. Choice D is also incorrect because the passage clearly states that psychological stress, increased wealth, increased levels of hygiene, and infant formula have all been linked either to the rise in incidence or to the decrease in average age of onset of the disease. The passage does not cast doubt on any studies, so choice E is also wrong.
Re: The precipitate rise in the incidence of type 1 ,
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19 Dec 2024, 09:50
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OFFICIAL EXPLANATION QUESTION #2
This is an application question. Both choices A and E would strengthen the correlation, so they should be eliminated. Choice B should also be eliminated because, among other reasons, the question refers to a single data set. Choice C is also incorrect because the cited forms of stress do fall under the category of psychological stress. Even though the incidence of type 1 diabetes is rising at a slower rate among children who are not overweight, it is still rising; therefore, choice D undercuts or weakens the correlation between being overweight and developing the disease. Remember, the phrase "if it were true" signals that you're looking for an answer that isn't true. Think of it as another kind of "EXCEPT" or "NOT" question.
Re: The precipitate rise in the incidence of type 1 ,
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19 Dec 2024, 09:51
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OFFICIAL EXPLANATION QUESTION #3
The sentence makes a general statement that questions the logic of how the conclusions previously stated in the passage were reached. It is not specific enough to serve as evidence to actually argue against those conclusions, so choice A is not the best answer. It certainly does not support those conclusions either, so choice B is incorrect.
I am also having a hard time with questions like 2 and 3 in the passage, can you please suggest: 1. video/text to read to improve at these and understand 2. set of practice questions