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Bunuel
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B) is the only relevant option it weakens by saying that the period of the pot style cannot be determined hence making comparisons and analysis invalid.
as for D) it just talks about just the handle not the finished whole product that is the pot , the period of which matters more in the argument.
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Premise: -sequence dating = measure the relative age difference between different periods, can be used to date the age of archaeological site
Conclusion: Using sequence method, from the age (or maybe the time when the pots were placed in the site, author wasn't clear on this) of the pot ==> the age of the site
A not weaken nor strengthen
B weaken because it said the age of the pots cannot be defined
C other archeologist do not agree but show no explanation for it, cannot take it as a weaken statement
D weaken by the same reason as B, but not as powerful (150 years< many centuries)
E irrelevant


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Scholars believe that sequence dating, a process that used to measure the relative age difference between different periods, can be used to accurately date the age of an archaeological site. Using sequence dating, several notable archaeologists concluded that several pots recently found at a certain site in Egypt indicate that the site must have been pre-dynastic.

Which of the following, if true, would most seriously weaken the archaeologist’s conclusion above?

(A) Some of the pots appear to have been placed at the site well after the period in which they were made.
(B) The style of pot found was made over the course of many centuries, well into the dynastic, and post-dynastic period.
(C) Very few other archaeologists have stated that they agree with the conclusion that these pots prove the site was pre-dynastic.
(D) The pots have a particular handle that was only on pots made over a period of 50-150 years.
(E) Pots found at a nearby site have been proven to be from a completely different period.


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Hi KarishmaB, can you please help me with this question. Many thanks for your earlier help.

I have a conceptual doubt regarding the weakening logic in this question. The passage explicitly states that sequence dating can be used to accurately date an archaeological site based on relative difference, and I understand that we are supposed to accept the validity of this method.

However, if the method is assumed to work reliably, then I am not able to see why the fact that pots existed of multiple time periods (as stated in option B) would weaken the conclusion. Even if the pots span different periods, a valid dating method based on relative differences should still be able to correctly place the site in the appropriate period.

So my confusion is: once we accept that the method itself is accurate, how does the multi-period existence of the pots undermine the conclusion? It seems like this is challenging the method indirectly, rather than the application of the method.
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Scholars believe that sequence dating, a process that used to measure the relative age difference between different periods, can be used to accurately date the age of an archaeological site. Using sequence dating, several notable archaeologists concluded that several pots recently found at a certain site in Egypt indicate that the site must have been pre-dynastic.

Which of the following, if true, would most seriously weaken the archaeologist’s conclusion above?

The argument says that because certain pots were found at the site, the site itself must have been pre-dynastic. So the weak point is the assumption that the pots’ period reliably shows the site’s period.

(A) Some of the pots appear to have been placed at the site well after the period in which they were made.

This weakens the argument, because it shows pots can arrive at a site later than their date of manufacture. But it says only some of the pots appear to have been placed later, so it is not the strongest attack.

(B) The style of pot found was made over the course of many centuries, well into the dynastic, and post-dynastic period.

This is the best answer. If that pot style existed not only in the pre-dynastic period but also much later, then finding those pots does not show that the site must have been pre-dynastic.

(C) Very few other archaeologists have stated that they agree with the conclusion that these pots prove the site was pre-dynastic.

This is not strong evidence against the conclusion itself. Lack of agreement does not show the conclusion is wrong.

(D) The pots have a particular handle that was only on pots made over a period of 50-150 years.

This actually strengthens the dating precision of the pots.

(E) Pots found at a nearby site have been proven to be from a completely different period.

This is irrelevant. A nearby site can easily be from a different period.

Answer: (B)
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gullyboy09
Hi KarishmaB, can you please help me with this question. Many thanks for your earlier help.

I have a conceptual doubt regarding the weakening logic in this question. The passage explicitly states that sequence dating can be used to accurately date an archaeological site based on relative difference, and I understand that we are supposed to accept the validity of this method.

However, if the method is assumed to work reliably, then I am not able to see why the fact that pots existed of multiple time periods (as stated in option B) would weaken the conclusion. Even if the pots span different periods, a valid dating method based on relative differences should still be able to correctly place the site in the appropriate period.

So my confusion is: once we accept that the method itself is accurate, how does the multi-period existence of the pots undermine the conclusion? It seems like this is challenging the method indirectly, rather than the application of the method.
I wouldn't worry about this question.
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