« on: May 26, 2005, 06:04:08 PM »
On LR ?'s that ask you to identify the weakness or criticism in the passage, Im trying to get better at forming my own answers before i even see the choices on questions because there should be one definite answer (well, sometimes more depending on the clarity of the passage). anyway, i came across this passage in a practice test and thought i found the error - and my error complied with an answer choice. it was wrong though. I want to see if anyone can spot the real problem in the passage and explain why it bests the one i came up with:
Until recently it was thought that ink used before the sixteenth century did not contain titanium. However, a new type of analysis detected titanium in the ink of the famous Bible printed by Johann Gutenberg and in that of another fiften-century Bible known as B-36, though not in the ink of any of numerous other fifteenth-century books analyzed. This finding is of great significance, since it not only strongly supports the hypothesis that B-36 was printed by Gutenberg but also shows that the presence of titanium in the ink of the purportedly fifteenth-century Vinland Map can no longer be regarded as a reason for doubting the map's authenticity.
The reasoning in the passage is vulnerable to criticism on the ground that:
sorry, no choices. just gotta spot it. i figured that a possible lapse of reasoning came in the fact that they had found titanium in the map seemingly well before it was found in the gutenberg bible. why was the map tested to find titanium - probably to settle the debate about its authenticitiy. well, if you did that why not test other documents like the gutenberg bible's ink, which you know is authentic, and see if theres titanium in that? the presence of titanium was reason to believe the map was a fraud and not created in the 15th century. maybe my criticism is more with the process of analysis and not with the passage. also it did mention that a new type of analysis was used to detect titanium in the gut bible - maybe it was a different testing condition and the test used on the map could not have been used on the bible - im not really sure. anyway, thats not the criticism. can someone spot the real one and let me know what tipped you off to it?