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A psychobiologist recently discovered that gorillas that

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A psychobiologist recently discovered that gorillas that [#permalink] New post 14 May 2011, 00:19
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A psychobiologist recently discovered that gorillas that have weakened immune systems tend to be more antisocial than do gorillas with normal or high immune system activity. She concluded from this that the immune system, at least in gorillas, protects against antisocial behavior as well as against diseases of the body.

The psychobiologist's conclusion depends on which of the following assumptions?

(A) High immune system activity protects against antisocial behavior in gorillas better than normal immune system activity does.
(B) Antisocial behavior in gorillas is similar to physical diseases in the way it affects body systems.
(C) Gorillas with high immune system activity cannot develop antisocial behavior.
(D) Antisocial behavior does not cause gorillas immune system activity to decrease.
(E) Behavioral training to cure antisocial behavior is not as effective as pharmacological treatment.
[Reveal] Spoiler: OA

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Re: anti social gorilla [#permalink] New post 14 May 2011, 05:09
classic cause and effect question.

immune system ----> protects from antisocial behavior + diseases.

D if antisocial behavior causes immune system to decrease,then the conclusion stands invalid.

Clear D.
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Re: anti social gorilla [#permalink] New post 08 Jun 2011, 23:34
Clear D
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Re: anti social gorilla [#permalink] New post 08 Jun 2011, 23:36
Very Easy if we know causal reasoning D it is
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Re: anti social gorilla [#permalink] New post 08 Jun 2011, 23:42
I'll be honest. I didn't even look at the question and I picked the right answer 8-) Absolutely not a good practice, though.

This is a typical Assumption-Causality question where the question requires you to select the answer choice that refutes the opposite relation of the causality, ie you need to justify that the stated relationship is not reversed.
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Re: anti social gorilla [#permalink] New post 04 Nov 2011, 22:38
D
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Re: A psychobiologist recently discovered that gorillas that [#permalink] New post 08 Nov 2011, 22:23
D
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Re: A psychobiologist recently discovered that gorillas that [#permalink] New post 10 Nov 2011, 02:22
Ans D.

Good explanation by amit2k9.
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Re: A psychobiologist recently discovered that gorillas that [#permalink] New post 23 Dec 2011, 21:07
Simple question. D it is. The cause-effect relationship in the premises would not hold if the assumption in D were to be negated.
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Re: A psychobiologist recently discovered that gorillas that [#permalink] New post 26 Dec 2011, 02:37
Ya it has to be
D
its as explained .. one has to look out for the scenario
Did A -- happened due B .. or B made A happen
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Re: A psychobiologist recently discovered that gorillas that [#permalink] New post 15 Nov 2014, 18:22
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Re: A psychobiologist recently discovered that gorillas that [#permalink] New post 17 Nov 2014, 03:22
A psychobiologist recently discovered that gorillas that have weakened immune systems tend to be more antisocial than do gorillas with normal or high immune system activity. She concluded from this that the immune system, at least in gorillas, protects against antisocial behavior as well as against diseases of the body.

The psychobiologist's conclusion depends on which of the following assumptions?

Conc.: Weak IS ---> ASB

(A) High immune system activity protects against antisocial behavior in gorillas better than normal immune system activity does - Breakup of category (vis. normal or high IS)
(B) Antisocial behavior in gorillas is similar to physical diseases in the way it affects body systems - ASB and disease are differently presented in argument.
(C) Gorillas with high immune system activity cannot develop antisocial behavior - Argument doesn't discuss about gorillas with high IS. It mention only about gorillas with weak IS.

(D) Antisocial behavior does not cause gorillas immune system activity to decrease - If x --> y then for assumption/strengthen the argument, y --/--> x. Hence, correct
(E) Behavioral training to cure antisocial behavior is not as effective as pharmacological treatment - Irrelevant.
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Re: A psychobiologist recently discovered that gorillas that   [#permalink] 17 Nov 2014, 03:22
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