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#1 [#permalink] New post 12 Sep 2008, 12:58
Vitamin XYZ has long been a favorite among health food enthusiasts. In a recent large study, those who took large amounts of vitamin XYZ daily for two years showed on average a 40 percent lower risk of heart disease than did members of a control groups. Researchers corrected for differences in relevant health habits, such as diet.

Which one of the following inference is most supported by the passage?

(A) Taking large amount of vitamins is probably worth risking the side effects.

(B) Those who take large doses of vitamin XYZ daily for the next two years will exhibit on average an increase in the likelihood of avoiding heart disease.

(C) Li, who has taken large amounts of vitamin XYZ daily for the past two years, has a 40 percent lower risk.

(D) Taking large amounts of vitamin XYZ daily over the course of one’s adult life should be recommended to most adults.

(E) Health food enthusiasts are probably correct in believing that large daily doses of multiple vitamins promote good health


Please support your answers with line of reasoning
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Re: #1 [#permalink] New post 12 Sep 2008, 13:12
IMO E. Is a tough call between B and E.

(A) Taking large amount of vitamins is probably worth risking the side effects. => do not know about side effects
(B) Those who take large doses of vitamin XYZ daily for the next two years will exhibit on average an increase in the likelihood of avoiding heart disease. => this does not say about the diet being constant..I think it is outside the scope of the statements
(C) Li, who has taken large amounts of vitamin XYZ daily for the past two years, has a 40 percent lower risk. = > lower risk of what ?

(D) Taking large amounts of vitamin XYZ daily over the course of one’s adult life should be recommended to most adults. => XYZ might have side effects.. also most adults might not have heart attack risk.. avg amount might not work etc
(E) Health food enthusiasts are probably correct in believing that large daily doses of multiple vitamins promote good health => this says probably..from the experiment it may or may not be good for health.. IMO E
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Re: #1 [#permalink] New post 12 Sep 2008, 13:21
az780 wrote:
Vitamin XYZ has long been a favorite among health food enthusiasts. In a recent large study, those who took large amounts of vitamin XYZ daily for two years showed on average a 40 percent lower risk of heart disease than did members of a control groups. Researchers corrected for differences in relevant health habits, such as diet.

Which one of the following inference is most supported by the passage?

(A) Taking large amount of vitamins is probably worth risking the side effects.

(B) Those who take large doses of vitamin XYZ daily for the next two years will exhibit on average an increase in the likelihood of avoiding heart disease.

(C) Li, who has taken large amounts of vitamin XYZ daily for the past two years, has a 40 percent lower risk.

(D) Taking large amounts of vitamin XYZ daily over the course of one’s adult life should be recommended to most adults.

(E) Health food enthusiasts are probably correct in believing that large daily doses of multiple vitamins promote good health


Please support your answers with line of reasoning


Question statement starts with Vitamin XYZ and health food enthusiasts, and provids a study that shows two-year experiment. The experiment shows 40% less risk with Vitamin XYZ. Diet habit is not a critical concern that affects the result.
So, inference from this question statement is that the belief of health food enthusiats on the Vitamin XYZ is probbaly right...Answer E. Any other thoughts? THx.
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Re: #1 [#permalink] New post 12 Sep 2008, 15:24
i had eliminated E since it mentioned 'multiple vitamins' and not XYZ specifically. Having said that, I picked C :(
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Re: #1 [#permalink] New post 12 Sep 2008, 15:30
pmenon wrote:
i had eliminated E since it mentioned 'multiple vitamins' and not XYZ specifically. Having said that, I picked C :(


For same reason I eliminated E. 'multiple vitamins' are same as Vitamin XYZ ??

I picked B.

Lets wait for OA now
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Re: #1 [#permalink] New post 12 Sep 2008, 17:10
OK. I ignored the 'multiple vitamin' in E.. I think the answer should be B.
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Re: #1 [#permalink] New post 12 Sep 2008, 22:19
My answer is B.What's d OA?
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Re: #1 [#permalink] New post 13 Sep 2008, 01:19
(A) Incorrect. Side effects are not discussed - new info
(B) Correct
(C) Incorrect. We are told " ... on average 40%" - this mean exact figure could vary.
(D) Incorrect. "taking vitamins over the course of life" is not discussed
(E) Incorrect. "multiple vitamins" are not discussed.
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Re: #1 [#permalink] New post 14 Sep 2008, 05:19
az780 wrote:
(A) Incorrect. Side effects are not discussed - new info
(B) Correct
(C) Incorrect. We are told " ... on average 40%" - this mean exact figure could vary.
(D) Incorrect. "taking vitamins over the course of life" is not discussed
(E) Incorrect. "multiple vitamins" are not discussed.



I also picked B as my answer, however, I don't agree with the reason you eliminated option C. The argument said that people who take large amounts of vitamin xyz daily for 2 years showed on average a 40 percent lower risk of heart disease. The average of 40 percent means that some people showed more than 40%, some showed less than 40%, and it is very possible that some people showed exactly 40%. So your assumption that 40% reduction isn't possible shouldn't be your reason to eliminate option C. Option C would be wrong if it's predicting that Li WILL get 40% reduction, but if he already got 40%, it's within the scope of the argument.

I didn't choose option C because the argument didn't talk about Li, so we can't infer anything about Li. And since option B is within the scope of the argument, i chose option B as my answer.
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Re: #1 [#permalink] New post 14 Sep 2008, 05:29
az780 wrote:
Vitamin XYZ has long been a favorite among health food enthusiasts. In a recent large study, those who took large amounts of vitamin XYZ daily for two years showed on average a 40 percent lower risk of heart disease than did members of a control groups. Researchers corrected for differences in relevant health habits, such as diet.

Which one of the following inference is most supported by the passage?

(A) Taking large amount of vitamins is probably worth risking the side effects.

(B) Those who take large doses of vitamin XYZ daily for the next two years will exhibit on average an increase in the likelihood of avoiding heart disease.

(C) Li, who has taken large amounts of vitamin XYZ daily for the past two years, has a 40 percent lower risk.

(D) Taking large amounts of vitamin XYZ daily over the course of one’s adult life should be recommended to most adults.

(E) Health food enthusiasts are probably correct in believing that large daily doses of multiple vitamins promote good health


Please support your answers with line of reasoning


Straight B) This is inference not conclusion
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Re: #1 [#permalink] New post 14 Sep 2008, 08:24
nmohindru wrote:
az780 wrote:
Vitamin XYZ has long been a favorite among health food enthusiasts. In a recent large study, those who took large amounts of vitamin XYZ daily for two years showed on average a 40 percent lower risk of heart disease than did members of a control groups. Researchers corrected for differences in relevant health habits, such as diet.

Which one of the following inference is most supported by the passage?

(A) Taking large amount of vitamins is probably worth risking the side effects. -> OOS

(B) Those who take large doses of vitamin XYZ daily for the next two years will exhibit on average an increase in the likelihood of avoiding heart disease. -> avoiding heart attack is not discussed just reducing risk is discussed

(C) Li, who has taken large amounts of vitamin XYZ daily for the past two years, has a 40 percent lower risk. -> lower risk of what ??

(D) Taking large amounts of vitamin XYZ daily over the course of one’s adult life should be recommended to most adults. -> this is OOS

(E) Health food enthusiasts are probably correct in believing that large daily doses of multiple vitamins promote good health -> CORRECT this is the concl put in other words for which the experiment is carried out


Please support your answers with line of reasoning


Straight B) This is inference not conclusion


B is something which talks about future hence it cnnot be the inference !!! inference is clearly E ,in the argument it states that health experts consider multiple vitamines as fav.
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Re: #1 [#permalink] New post 14 Sep 2008, 08:51
spriya wrote:
nmohindru wrote:
az780 wrote:
Vitamin XYZ has long been a favorite among health food enthusiasts. In a recent large study, those who took large amounts of vitamin XYZ daily for two years showed on average a 40 percent lower risk of heart disease than did members of a control groups. Researchers corrected for differences in relevant health habits, such as diet.

Which one of the following inference is most supported by the passage?

(A) Taking large amount of vitamins is probably worth risking the side effects. -> OOS

(B) Those who take large doses of vitamin XYZ daily for the next two years will exhibit on average an increase in the likelihood of avoiding heart disease. -> avoiding heart attack is not discussed just reducing risk is discussed

(C) Li, who has taken large amounts of vitamin XYZ daily for the past two years, has a 40 percent lower risk. -> lower risk of what ??

(D) Taking large amounts of vitamin XYZ daily over the course of one’s adult life should be recommended to most adults. -> this is OOS

(E) Health food enthusiasts are probably correct in believing that large daily doses of multiple vitamins promote good health -> CORRECT this is the concl put in other words for which the experiment is carried out


Please support your answers with line of reasoning


Straight B) This is inference not conclusion


B is something which talks about future hence it cnnot be the inference !!! inference is clearly E ,in the argument it states that health experts consider multiple vitamines as fav.


first of all, nothing in the argument talks about health but rather about reducing the risk of heart disease - that shouldn't mean that you're now healthy when you've eliminated the risk of heart disease because you could be suffering from other medical issues such as blood pressure, etc. Second of all, nothing in the argument talks about multiple vitamins but rather about this one vitamin, which is vitamin xyz. we don't know anything about the other vitamins.
Re: #1   [#permalink] 14 Sep 2008, 08:51
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