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Researchers have found that when very overweight people, who

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Researchers have found that when very overweight people, who [#permalink] New post 10 Apr 2005, 02:56
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Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolism generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

A: Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
B: The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
C: The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
D: Reseachers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
E: Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.
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 [#permalink] New post 27 Sep 2007, 13:10
A, for the same reason.

Conclusion is that people will gain weight back. A supports that
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****overweight people**** [#permalink] New post 08 Jul 2008, 09:02
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.

(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.

(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.

(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.

(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.
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Re: CR : Researchers have found that when very overweight people [#permalink] New post 08 Jul 2008, 09:28
vishy007 wrote:
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.

(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.

(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.

(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.

(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.



C? Will explain if correct.
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Re: CR : Researchers have found that when very overweight people [#permalink] New post 08 Jul 2008, 09:32
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level. Presents the assumption.
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Re: CR : Researchers have found that when very overweight people [#permalink] New post 08 Jul 2008, 09:42
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I get A.

Premise: Overweight people who lose weight from dieting keep the same metabolism
Premise: They will burn less calories at the new lower weight than people who are normally at that weight.
---------------------------------------------------------------------------------------------------------
Conclusion: These people will regain weight until their body size matches their unchanged metabolism.

In order to reach that conclusion there is one premise (assumption) that we need. If the people are who lose weight by dieting will eventually regain weight than we HAVE to assume that they will stop dieting. Because if they continue to consume the same calories that they did to lose weight then they will not gain any of it back.
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Re: CR : Researchers have found that when very overweight people [#permalink] New post 11 Feb 2009, 21:08
vishy007 wrote:
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.

(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.

(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.

(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.

(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.


Can someone explain why its not C?
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Re: CR : Researchers have found that when very overweight people [#permalink] New post 11 Feb 2009, 21:17
My ans is A.
The argument claims that overweight people who lost wiight thru deiting will regain weight bcos their metabolim rate does not vary. This clearly assumes that most of the overweight ppl tend to consume substrantially more calories and hence tehre are relatively few overweight ppl who tend to consume less calerories
vishy007 wrote:
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.

(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.

(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.

(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.

(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.
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Re: CR : Researchers have found that when very overweight people [#permalink] New post 12 Feb 2009, 02:29
I will go with A...

Explanation. As the option states (A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.

it means that the overweight people who have dieted will discontinue to eat fewer calories, and there metabolic rates are also slow so the body will regain the weight untill their body size matches the metabolic rate..
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Re: CR : Researchers have found that when very overweight people [#permalink] New post 13 Feb 2009, 19:18
xALIx wrote:
vishy007 wrote:
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?

(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.

(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.

(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.

(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.

(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.


Can someone explain why its not C?


You should find the scope of the argument and compare the scope to the meaning that C suggests. How to weigh or determin the amount of calories IS NOT a focus of argument, C out
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Re: CR : Researchers have found that when very overweight people [#permalink] New post 13 Feb 2009, 19:48
sondenso wrote:

You should find the scope of the argument and compare the scope to the meaning that C suggests. How to weigh or determin the amount of calories IS NOT a focus of argument, C out


Good point. Thanks
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Researchers have found that when very overweight people, who [#permalink] New post 16 May 2010, 08:02
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.
The conclusion of the argument above depends on which of the following assumptions?
(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.


please provide an answer with explanation..
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Re: Researchers have found.. [#permalink] New post 17 May 2010, 08:45
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.
The conclusion of the argument above depends on which of the following assumptions?
(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.


Premise:
Calori burned (weight reduced person) , metabolic rate < calori burned (normal person ) , metabolic rate
over weight person - less food - less metabolic rate - less calori - normal weight

Conclusion:
Less weight person -more food -more metabolic rate - more cakori - normal weight

My Ans - C)
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Re: Researchers have found.. [#permalink] New post 18 May 2010, 08:28
I pick (C)

premise says ==> overly weight people who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged.

assumption ==> The amount of calories that a person usually burns in a day (low metabolism) is determined more by the amount that is consumed that day (dieting) than by the current weight of the individual.
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Researchers have found that when very overweight people, who [#permalink] New post 06 Dec 2010, 12:35
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.
The conclusion of the argument above depends on which of the following assumptions?
(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level.
(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight.
(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual.
(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents.
(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it.

Can some explain how to tackle assumption efficiently...thanks
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Re: Researchers have found that when very overweight people [#permalink] New post 07 Dec 2010, 03:56
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Researchers have found that when very overweight people, who tend to have relatively low metabolic rates, lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn significantly fewer calories at the new weight than do people whose weight is normally at that level. Such newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic rate.

The conclusion of the argument above depends on which of the following assumptions?


Conclusion - Newly thin people regain weight.

Possible assumptions - Newly thin people start eating more. or
The metabolism of newly thin people further slows down thereby not burning calories,leading to increased weight.




(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume substantially fewer calories than do people whose normal weight is at that level. - Hold

(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of people who have been very overweight. - Para is Talking about overweight people. Out of scope.

(C) The amount of calories that a person usually burns in a day is determined more by the amount that is consumed that day than by the current weight of the individual. - Out of scope.

(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be accelerated by means of chemical agents. - Out of scope.

(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much difficulty gaining weight as they do losing it. - Hold

Can some explain how to tackle assumption efficiently...thanks


Now between A and E use negation and see its effect of conclusion.Negation should undermine the conclusion.

E Not Because of the constancy of their metabolic rates, people who are at their usual weight normally do not have as much difficulty gaining weight as they do losing it. - Dosen't effect the conclusion at all.

A No very overweight people who have dieted down to a new weight tended to continue to consume substantially more calories than do people whose weight is at that level." - If this is true then how Newly thin people regained weight ? Hence this undermines the conclusion.

Hence A prevails.
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Re: Researchers have found that when very overweight people [#permalink] New post 07 Dec 2010, 16:11
thanks Amit ...I realized my mistake that i am overlooking the fact that assumtion is closely tied to conclusion ...awesome explanation.
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Re: Researchers have found that when very overweight people [#permalink] New post 07 Dec 2010, 19:25
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ajit257 wrote:
thanks Amit ...I realized my mistake that i am overlooking the fact that assumtion is closely tied to conclusion ...awesome explanation.


Amit has pretty much covered all the ground. Let me just add here that an assumption is a missing premise that is necessary for the conclusion to be true. The assumption has to be true for the conclusion to be true. Hence if you are lost between 2-3 choices, negate each choice. Once you negate an option, if your conclusion can still be true, it means the option is not an assumption. It is a very useful trick.
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Researchers have found that when very overweight people, who [#permalink] New post 09 Dec 2011, 01:27
Researchers have found that when very overweight people, who tend to have relatively low metabolic rates,
lose weight primarily through dieting, their metabolisms generally remain unchanged. They will thus burn
significantly fewer calories at the new weight than do people whose weight is normally at that level. Such
newly thin persons will, therefore, ultimately regain weight until their body size again matches their metabolic
rate.
The conclusion of the argument above depends on which of the following assumptions?
(A) Relatively few very overweight people who have dieted down to a new weight tend to continue to consume
substantially fewer calories than do people whose normal weight is at that level.
(B) The metabolisms of people who are usually not overweight are much more able to vary than the metabolisms of
people who have been very overweight.
(C) The amount of calories that a person usually burns in a day is determined more by the amount that is
consumed that day than by the current weight of the individual.
(D) Researchers have not yet determined whether the metabolic rates of formerly very overweight individuals can be
accelerated by means of chemical agents.
(E) Because of the constancy of their metabolic rates, people who are at their usual weight normally have as much
difficulty gaining weight as they do losing it.

I found this question in another topic, but the explanation is still unclear to me. So, I want to make new thread to open more discussion on this problem. OA later.
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Re: Researchers have found that when very overweight people [#permalink] New post 09 Dec 2011, 01:54
IMO C...but confused bet A,c n B......
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Re: Researchers have found that when very overweight people [#permalink] New post 09 Dec 2011, 02:52
I went with A. By the statements, if one loses weight and he does not continue to be on the diet then he ll gain weight. Meaning people who are already on that weight size will consume more than he does
Re: Researchers have found that when very overweight people   [#permalink] 09 Dec 2011, 02:52
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