Zelda: Dr. Ladlow, a research psychologist, has convincingly : GMAT Critical Reasoning (CR)
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Zelda: Dr. Ladlow, a research psychologist, has convincingly

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Director
Joined: 15 Aug 2005
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13 Oct 2005, 17:31
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Zelda: Dr. Ladlow, a research psychologist, has convincingly demonstrated that his theory about the determinants of rat behavior generates consistently accurate predictions about how rats will perform in a maze. On the basis of this evidence, Dr. Ladlow has claimed that his theory is irrefutably correct.
Anson: Then Dr. Ladlow is not responsible psychologist. Dr. Ladlowâ€™s evidence does not conclusively prove that his theory is correct. Responsible psychologists always accept the possibility that new evidence will show that their theories are incorrect.

Which one of the following can be properly inferred from Ansonâ€™s argument?

(A) Dr. Ladlowâ€™s evidence that his theory generates consistently accurate predictions about how rates will perform in a maze is inaccurate.
(B) Psychologists who can derive consistently accurate predictions about how rats will perform in a maze from their theories cannot responsibly conclude that those theories cannot be disproved.
(C) No matter how responsible psychologists are, they can never develop correct theoretical explanations.
(D) Responsible psychologists do not make predictions about how rats will perform in a maze.
(E) Psychologists who accept the possibility that new evidence will show that their theories are incorrect are responsible psychologists.

Anson bases his conclusion about Dr. Ladlow on which one of the following?

(A) an attack on Dr. Ladlowâ€™s character
(B) the application of a general principle
(C) the use of an ambiguous term
(D) the discrediting of facts
(E) the rejection of a theoretical explanation
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Cheers, Rahul.

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Director
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13 Oct 2005, 18:15
A and B for me.

1) A because Anson says 'Dr. Ladlowâ€™s evidence does not conclusively prove that his theory is correct'
2) B because Anson says responsible Psyc. always give room for error.
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Joined: 13 Jan 2005
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15 Oct 2005, 04:12
I am stuck b/w B n E for the first one. Will choose B.

B n B for me.

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15 Oct 2005, 05:30
I got E and B.
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hey ya......

15 Oct 2005, 05:30
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