There is no such thing as purely objective observation. All observation is subjective; it is always guided by the observer's expectations or desires.- GRE Issue 69
The speaker claims that all observation is subjective--colored by desire and expectation. While it would be tempting to concede that we all see things differently, careful scrutiny of the speaker's claim reveals that it confuses observation with interpretation. In fact, in the end the speaker's claim relies entirely on the further claim that there is no such thing as truth and that we cannot truly know anything. While this notion might appeal to certain existentialists and epistemologists, it runs against the grain of all scientific discovery and knowledge gained over the last 500 years.
I...
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flaws:
Sentence-Text Coherence: 0.279 0.35
It is on top list:
http://www.testbig.com/essay-categories/gmatgre
Attribute Value Ideal
Score: 5.5 out of 6
Category: Excellent Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 27 15
No. of Words: 660 350
No. of Characters: 3408 1500
No. of Different Words: 319 200
Fourth Root of Number of Words: 5.069 4.7
Average Word Length: 5.164 4.6
Word Length SD: 2.999 2.4
No. of Words greater than 5 chars: 247 100
No. of Words greater than 6 chars: 196 80
No. of Words greater than 7 chars: 139 40
No. of Words greater than 8 chars: 104 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 24.444 21.0
Sentence Length SD: 9.912 7.5
Use of Discourse Markers (%): 0.556 0.12
Sentence-Text Coherence: 0.279 0.35
Sentence-Para Coherence: 0.466 0.50
Sentence-Sentence Coherence: 0.132 0.07
Number of Paragraphs: 5 5