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# A social worker surveyed 200 women who recently had given bi

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Intern
Joined: 10 Sep 2013
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A social worker surveyed 200 women who recently had given bi  [#permalink]

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10 Sep 2013, 06:21
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5% (low)

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85% (01:06) correct 15% (01:00) wrong based on 318 sessions

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A social worker surveyed 200 women who recently had given birth to their first child. Half of these women had chosen to give birth in a hospital or obstetric clinic; the other half had chosen to give birth at home under the care of certified MIdwives. Of the 100 births that occurred at home, only five had presented any substantial complications, whereas 17 of the hospital births had required extra attention because of complications during delivery. The social worker concluded from this survey that the home is actually a safer environment in which to give birth than is a hospital or clinic.

Which of the following, if true, most seriously calls the social worker's conclusion above into question?

(A) All of the women in the study who were diagnosed as having a high possibility of delivery complications elected to give birth in a hospital.

(B) Many obstetricians discourage their patients from giving birth in their own homes.

(C) Women who give birth in their own homes tend to experience less stress during labor and delivery than do those who deliver in hospitals.

(D) Women who give birth in hospitals and clinics often have shorter periods of labor than do those who give birth at home.

(E) Pregnant doctors prefer giving birth in a hospital.
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Re: A social worker surveyed 200 women who recently had given bi  [#permalink]

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10 Sep 2013, 06:46
A seems to be the best bet here.

The problem here is that the we are not actually considering the ACTUAL health conditions - state of mind, other medical problem/ condition/severity, etc.

Obviosuly, a woman being in a healthy state of mind and no eyebrow raising medical condition can expect to have a baby delivered at home. In case of medical urgencies, other health problems/complications etc where hospitals open more options in terms of care and facilities, it's best to visit them for deliveries.

So, A is the correct option.

B) is Out of scope as we are not considering any opinions of obstetricians

C) focusses more on the labor and delivery pieces but those are NOT the actual main thing here.

d) The question does not speak about labour pain in particular. So, we can ignore this option.

E) Out of scope

Hope this helps !!
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A social worker surveyed 200 women who recently had given bi  [#permalink]

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04 Apr 2018, 22:11
GMATNinja nightblade354KarishmaB

How does (A) fit in to bill here?
Main conclusion: Home is a safer environment than hospital or clinic.
Reason: 5 out of 100 suffer substantial complications at home, whereas 17 out of 100 suffer same at hospitals. Since later ratio is more, I can make above claim.

Quote:
(A) All of the women in the study who were diagnosed as having a high possibility of delivery complications elected to give birth in a hospital.

Why does women preference matter?

Quote:
(D) Women who give birth in hospitals and clinics often have shorter periods of labor than do those who give birth at home.

Yes, this weakens the claim that home is more safe for pregnant women than hospitals.
I can assume to link periods of labor with complications.
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Re: A social worker surveyed 200 women who recently had given bi  [#permalink]

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01 Aug 2018, 02:01
ADE3B wrote:

A social worker surveyed 200 women who recently had given birth to their first child. Half of these women had chosen to give birth in a hospital or obstetric clinic; the other half had chosen to give birth at home under the care of certified MIdwives. Of the 100 births that occurred at home, only five had presented any substantial complications, whereas 17 of the hospital births had required extra attention because of complications during delivery. The social worker concluded from this survey that the home is actually a safer environment in which to give birth than is a hospital or clinic.

Which of the following, if true, most seriously calls the social worker's conclusion above into question?

(A) All of the women in the study who were diagnosed as having a high possibility of delivery complications elected to give birth in a hospital.

(B) Many obstetricians discourage their patients from giving birth in their own homes.

(C) Women who give birth in their own homes tend to experience less stress during labor and delivery than do those who deliver in hospitals.

(D) Women who give birth in hospitals and clinics often have shorter periods of labor than do those who give birth at home.

(E) Pregnant doctors prefer giving birth in a hospital.

KAPLAN OFFICIAL EXPLANATION:

Here's a very typical example of how surveys appear in GMAT Critical Reasoning. A social worker surveys 100 women who chose to give birth in a hospital, and 100 who chose to have their babies at home. The social worker concludes that the home is the safer environment in which to give birth, based entirely on the fact that in the sample studied, there were more cases of complications in the hospital. She assumes that the environment was responsible for the number of complications, and overlooks any other possible reason for the survey results. (A) weakens the argument by providing such an alternate reason for the statistical disparity: Women who were at high risk for complications all decided to give birth in a hospital. In other words, the study was skewed; the women in the two groups (the 100 who gave birth in the home and the 100 who gave birth in the hospital) were not equally likely to have complications to begin with. (A) is correct.

An 800 test taker scrutinizes the sample groups used in surveys presented in Critical Reasoning questions, looking for disparities in the data or characteristics of the groups involved that may invalidate the survey.

(B) and (E) both make inappropriate appeals to authority—the fact that many doctors prefer hospital births alters neither the results of the study nor the conclusion drawn from these results.

An 800 test taker is not fooled by appeals to authority. She knows that conclusions must be backed up by solid evidence, not by the opinions or actions of experts.

(C) provides the opposite of what we're looking for—it strengthens the argument by providing a possible reason why home births are safer.

(D)The point at issue is where it's safer to give birth, not the respective labor times. Since there's no evidence that shorter labors are safer labors, (D) doesn't weaken the argument.
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A social worker surveyed 200 women who recently had given bi  [#permalink]

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01 Aug 2018, 19:14
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adkikani wrote:
GMATNinja nightblade354KarishmaB

How does (A) fit in to bill here?
Main conclusion: Home is a safer environment than hospital or clinic.
Reason: 5 out of 100 suffer substantial complications at home, whereas 17 out of 100 suffer same at hospitals. Since later ratio is more, I can make above claim.

Quote:
(A) All of the women in the study who were diagnosed as having a high possibility of delivery complications elected to give birth in a hospital.

Why does women preference matter?

Quote:
(D) Women who give birth in hospitals and clinics often have shorter periods of labor than do those who give birth at home.

Yes, this weakens the claim that home is more safe for pregnant women than hospitals.
I can assume to link periods of labor with complications.

adkikani, To answer your question in Human world, woman preference only matters when it comes to pregnancy.

Read option A carefully. What does it say:

All of the women in the study who were diagnosed as having a high possibility of delivery complications elected to give birth in a hospital.

It clearly says women who had high possibility of complications opted Hospital. That is why Hospital complication count is high. If same women had opted to give birth at home, then complication count for home would have been more.

Are you getting what i am trying to say here.

Now check Option D. How length of period of labor is related to complication count ? If a woman had 12 hours of labor doesn't mean that she had complication.
A social worker surveyed 200 women who recently had given bi &nbs [#permalink] 01 Aug 2018, 19:14
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# A social worker surveyed 200 women who recently had given bi

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