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Nutritionist: Obesity is becoming a very serious problem in this count

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Nutritionist: Obesity is becoming a very serious problem in this count  [#permalink]

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New post 09 Jul 2018, 11:44
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Nutritionist: Obesity is becoming a very serious problem in this country, and we must actively pursue a means of combating it. I have recently conducted a 12-week weight loss study to see which is the best method for obese adults to lose weight. My study shows that the consumption of a healthy, balanced diet and the incorporation of exercise were highly successful. All patients who participated in my study lost weight by eating the recommended diet and by adding a little exercise each day.

Which of the following statements, if true, most seriously undermines the statement above?

(A) The nutritionist's income is subsidized by a government agency committed to encouraging people to lose weight by adding daily exercise.
(B) All of the patients had a very similar physical makeup and metabolic rate, two significant factors that affect the ability to lose weight.
(C) The nutritionist has been unable to come to an agreement with a colleague on what constitutes a healthy diet.
(D) All of the nutritionist's patients incorporated exactly the same form of exercise to their daily routine.
(E) There were only eighty patients who participated in the nutritionist's weight loss study.


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Re: Nutritionist: Obesity is becoming a very serious problem in this count  [#permalink]

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New post 09 Jul 2018, 19:04
Nutritionist: Obesity is becoming a very serious problem in this country, and we must actively pursue a means of combating it. I have recently conducted a 12-week weight loss study to see which is the best method for obese adults to lose weight. My study shows that the consumption of a healthy, balanced diet and the incorporation of exercise were highly successful. All patients who participated in my study lost weight by eating the recommended diet and by adding a little exercise each day.

Which of the following statements, if true, most seriously undermines the statement above?

(A) The nutritionist's income is subsidized by a government agency committed to encouraging people to lose weight by adding daily exercise.
We are looking at something weakening the study of nutritionist.. nothing to do with subsidy ..

(B) All of the patients had a very similar physical makeup and metabolic rate, two significant factors that affect the ability to lose weight.
Now that's correct. If she chose people with characteristics that help in losing weight faster, then it is not the weight loss plan but these characteristics that helped them to lose weight.

(C) The nutritionist has been unable to come to an agreement with a colleague on what constitutes a healthy diet.
Out of context

(D) All of the nutritionist's patients incorporated exactly the same form of exercise to their daily routine.
this doesn't affect the claim of nutritionist

(E) There were only eighty patients who participated in the nutritionist's weight loss study
Although the number are less, but all 8 losing weight by the plan does not lessen the credibility to great extent. B is a better choice

B
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Re: Nutritionist: Obesity is becoming a very serious problem in this count  [#permalink]

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New post 09 Jul 2018, 19:42
Once I read there was a study, I was already on the lookout whether people in the study were representative of the population. Another thing which came to mind was how the study environment might be different from people's homes, offices, etc.

Option B says "patients had a very similar physical makeup and metabolic rate", so maybe this regime only works for only THESE specific kind of people.
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Nutritionist: Obesity is becoming a very serious problem in this count  [#permalink]

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New post Updated on: 10 Jul 2018, 09:38
Option B or Option E.

E says that there were 80 participants in the weight loss program.Still 80 is a good number.

If all 8o were able to loose weight as per the program designed by the nutritionist,it would strengthen the nutritionist's conclusion.


B says that all of the patients had a very similar physical makeup and metabolic rate, two significant factors that affect the ability to lose weight.


This weakens the nutritionist's conclusion because if all patients had similar physical makeup and metabolic rate,the weight loss program may not be successful.This option gives us alternate reason.

IMO E.
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Originally posted by warrior1991 on 09 Jul 2018, 21:24.
Last edited by warrior1991 on 10 Jul 2018, 09:38, edited 1 time in total.
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Re: Nutritionist: Obesity is becoming a very serious problem in this count  [#permalink]

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New post 09 Jul 2018, 22:07
warrior1991 wrote:
Option B or Option E.

E says that there were 8 participants in the weight loss program.Still 8 is a good number.

If all 8 were able to loose weight as per the program designed by the nutritionist,it would strengthen the nutritionist's conclusion.


B says that all of the patients had a very similar physical makeup and metabolic rate, two significant factors that affect the ability to lose weight.


This weakens the nutritionist's conclusion because if all patients had similar physical makeup and metabolic rate,the weight loss program may not be successful.This option gives us alternate reason.

IMO E.

That is exactly what we need. We need to weaken the conclusion. This is a typical sample/population CR question. And, in option E the population count is 80 and not 8.
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Re: Nutritionist: Obesity is becoming a very serious problem in this count  [#permalink]

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New post 09 Jul 2018, 22:42
warrior1991 wrote:
Option B or Option E.

E says that there were 8 participants in the weight loss program.Still 8 is a good number.

If all 8 were able to loose weight as per the program designed by the nutritionist,it would strengthen the nutritionist's conclusion.


B says that all of the patients had a very similar physical makeup and metabolic rate, two significant factors that affect the ability to lose weight.


This weakens the nutritionist's conclusion because if all patients had similar physical makeup and metabolic rate,the weight loss program may not be successful.This option gives us alternate reason.

IMO E.


The option say "Eighty" and not "Eight"
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Re: Nutritionist: Obesity is becoming a very serious problem in this count  [#permalink]

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New post 10 Jul 2018, 09:39
Thanks for pointing out guys.I have corrected it.I hope my reasoning behind this is correct.


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Re: Nutritionist: Obesity is becoming a very serious problem in this count &nbs [#permalink] 10 Jul 2018, 09:39
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