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# A sociologist recently studied the correlation between

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Manager
Joined: 12 Jul 2003
Posts: 185
A sociologist recently studied the correlation between  [#permalink]

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07 Jun 2005, 11:04
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A sociologist recently studied the correlation between career choices of parents and those of their children .Interviews with 2000 young adults revealed that nearly 20% of those whose parents were psychologists were pursuing careers in phychology themselves. The sociologists concluded from this data, that psychologists have more influence on their children's career choice than do members of other professions.

Which of the following would be required to assess the validity of the conclusion above?

a)The percentage of those interviewd whose intended career was the one they actually pursued
b)The percentage of those interviewed whose parents were not psychologists
c)The percentage of those interviewed who were pursuing the career of their parents
d)The percentage of those interviewed who were planning to become psychologists
eThe percentage of those interviewed who were undecided about their future careers.

Best.
Senior Manager
Joined: 21 Mar 2004
Posts: 422
Location: Cary,NC

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07 Jun 2005, 18:28
Going for C.
A. No mention of intention and actual pursuing of careers. Out of scope

B. The only close answer. Children of non-psychologists could still follow or not follow their parents careers. This doesnt help much.

C. correct ans. With this we will know all the children who follow their parents professions and also we already know how many follow their psychologist parent. This will give the idea of more or less influence.

D. "planning" is again out of scope
E. "undecided" is out of scope
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Joined: 07 Jul 2004
Posts: 4710
Location: Singapore

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07 Jun 2005, 18:48
a)The percentage of those interviewd whose intended career was the one they actually pursued
- i'll go with A. This lets us know how many were pursing careers out of their own choice, or merely because they were influenced by their parents.
Director
Joined: 05 Jan 2005
Posts: 513

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08 Jun 2005, 05:42
Paraphrase: 20% of the no. interviewed were doing psychology and their parents read it, so bingo, psychologists can influence their children more.

However, what if 30% of the no. interviewed study economics and their parents did?

So, i expect a comparison with other possible disciplines whose students were interviewed.

a)The percentage of those interviewd whose intended career was the one they actually pursued
Out of scope.

b)The percentage of those interviewed whose parents were not psychologists
Irrelevant

c)The percentage of those interviewed who were pursuing the career of their parents
My choice

d)The percentage of those interviewed who were planning to become psychologists
Irrelevant

eThe percentage of those interviewed who were undecided about their future careers.
Irrelevant

It's (C) for me.
Manager
Joined: 21 Apr 2005
Posts: 143
Location: Atlanta , GA

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08 Jun 2005, 20:34
Arsene_Wenger wrote:
Paraphrase: 20% of the no. interviewed were doing psychology and their parents read it, so bingo, psychologists can influence their children more.

However, what if 30% of the no. interviewed study economics and their parents did?

So, i expect a comparison with other possible disciplines whose students were interviewed.

a)The percentage of those interviewd whose intended career was the one they actually pursued
Out of scope.

b)The percentage of those interviewed whose parents were not psychologists
Irrelevant

c)The percentage of those interviewed who were pursuing the career of their parents
My choice

d)The percentage of those interviewed who were planning to become psychologists
Irrelevant

eThe percentage of those interviewed who were undecided about their future careers.
Irrelevant

It's (C) for me.

C for me for the above reasoning
Director
Joined: 27 May 2012
Posts: 733
Re: A sociologist recently studied the correlation between  [#permalink]

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11 Jun 2017, 05:14
doloris wrote:
A sociologist recently studied the correlation between career choices of parents and those of their children .Interviews with 2000 young adults revealed that nearly 20% of those whose parents were psychologists were pursuing careers in phychology themselves. The sociologists concluded from this data, that psychologists have more influence on their children's career choice than do members of other professions.

Which of the following would be required to assess the validity of the conclusion above?

a)The percentage of those interviewd whose intended career was the one they actually pursued
b)The percentage of those interviewed whose parents were not psychologists
c)The percentage of those interviewed who were pursuing the career of their parents
d)The percentage of those interviewed who were planning to become psychologists
eThe percentage of those interviewed who were undecided about their future careers.

Best.

Bumping :
Its C for me too.
Thank you.
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Intern
Joined: 24 Apr 2017
Posts: 1
Re: A sociologist recently studied the correlation between  [#permalink]

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11 Jun 2017, 23:13

The argument states that 20% OF THOSE WHOSE PARENTS ARE PSYCHOLOGISTS chose careers in psychology

But what if only 30% OF THOSE WHOSE PARENTS ARE DOCTORS OR ENGINEERS chose that field

Then engineers or doctors will have more influence then psychologists

Option B makes sense

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Intern
Joined: 28 Jul 2016
Posts: 39
Location: India
Concentration: General Management, Marketing
WE: Operations (Retail Banking)
Re: A sociologist recently studied the correlation between  [#permalink]

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11 Jun 2017, 23:22
doloris wrote:
A sociologist recently studied the correlation between career choices of parents and those of their children .Interviews with 2000 young adults revealed that nearly 20% of those whose parents were psychologists were pursuing careers in phychology themselves. The sociologists concluded from this data, that psychologists have more influence on their children's career choice than do members of other professions.

Which of the following would be required to assess the validity of the conclusion above?

a)The percentage of those interviewd whose intended career was the one they actually pursued
b)The percentage of those interviewed whose parents were not psychologists
c)The percentage of those interviewed who were pursuing the career of their parents
d)The percentage of those interviewed who were planning to become psychologists
eThe percentage of those interviewed who were undecided about their future careers.

Best.

Option C as we need to know what % of students are opting their parents career.

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Manager
Joined: 24 Jan 2017
Posts: 142
GMAT 1: 640 Q50 V25
GMAT 2: 710 Q50 V35
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Re: A sociologist recently studied the correlation between  [#permalink]

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06 Jul 2017, 09:38
Goraksh wrote:

The argument states that 20% OF THOSE WHOSE PARENTS ARE PSYCHOLOGISTS chose careers in psychology

But what if only 30% OF THOSE WHOSE PARENTS ARE DOCTORS OR ENGINEERS chose that field

Then engineers or doctors will have more influence then psychologists

Option B makes sense

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b)The percentage of those interviewed whose parents were not psychologists

In such a statistics-related question, I think a mathematical example might help you a lot in understanding properly.

Let's say, we survey 100 young adults in total.
Just imagine 40% have psychologists parents, so the number of these children is: A=40% x 100 = 40
Just call a the number of those whose parents were psychologists were pursuing careers in psychology themselves. From premise, a/A = 20%

Similarly, we will call B, C, D... and b, c, d... the number of ones whose parents are not psychologists (doctors, engineers, etc.) and number of ones pursuing their parents' career (doctors, engineers, etc.), respectively.

Considering the percentage a/A only, author concludes that "psychologists have more influence on their children's career choice than do members of other professions". He must have assumed that there is no any b/B, c/C, or d/D, etc. that is larger than 20%.

Option (B) simply provides information about B, C and D, whereas what we actually need is b/B, c/C, or d/D. In other words, (B) doesn't help. OUT.

Option (C) talks about b/B, c/C, d/D hence is exactly what we need to evaluate the conclusion.
Re: A sociologist recently studied the correlation between   [#permalink] 06 Jul 2017, 09:38
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