The statement concludes that it is feasible to use an unmanned space flight as compared to a manned space flight. To support this conclusion, the author states various statements regarding the costs and risks involved. The author speaks about the costs incurred in the case of manned space flight an also the risk of life involved in the same. The argument at the first glance seems convincing in all its terms. However, a closer look at each of the premise poses anomalies present in the conclusion.
First of all, the author does not state any evidence about the cost of an unmanned space flight. There is a clear mention of the manned space flights to be costly, however, the cost of the unmanned flight is not mentioned. This poses a problem in the overall comparison of the two costs and an inappropriate way of concluding that the unmanned space flights are economical.
Secondly, the argument mentions the cases of sending an unmanned space flight. Any kind of detailed analysis of the trials conducted is not mentioned. The premise on which those trials were successful is also not mentioned. There is not a single example of the dangers associated with a manned flight. Any one example would have supported the conclusion of the argument.
There is a mention of recent cases of unmanned flight, on the other hand, none of the recently conducted manned space flight is mentioned. There is a possibility that recent advances in technology might have decreased the costs as well as dangers of using manned space flight. Current studies in this field might have helped mankind to explore effective ways and favorable methods, that are less risky for a manned space flight. Using new materials found might have helped in decreasing the overall costs of the flight.
The data being collected by the unmanned flight is mentioned to be profound than the manned flight. However, we should also consider the fact that the quality of the data provided is more important than just the quantity. There is no mention of the quality of information sent. There is a possibility that a manned space flight might have provided a concise, brief data of all the information required by the mission. Counter to which an unmanned space flight might have just sent volumes of data, analyzing which poses a great task to the researchers.
Summing up, I would like to conclude that the conclusion of the author needs to be supported by the factors mentioned above.
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Essay evaluation report
read a sample:
https://www.testbig.com/gmatgre-essays/following-opinion-was-provided-l…
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Attribute Value Ideal
Final score: 3.5 out of 6
Category: Satisfactory Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 23 15
No. of Words: 417 350
No. of Characters: 1991 1500
No. of Different Words: 174 200
Fourth Root of Number of Words: 4.519 4.7
Average Word Length: 4.775 4.6
Word Length SD: 2.494 2.4
No. of Words greater than 5 chars: 146 100
No. of Words greater than 6 chars: 104 80
No. of Words greater than 7 chars: 70 40
No. of Words greater than 8 chars: 40 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 18.13 21.0
Sentence Length SD: 5.152 7.5
Use of Discourse Markers (%): 0.522 0.12
Sentence-Text Coherence: 0.354 0.35
Sentence-Para Coherence: 0.569 0.50
Sentence-Sentence Coherence: 0.121 0.07
Number of Paragraphs: 6 5
Grammar and spelling errors:
Line 5, column 303, Rule ID: ANY_BODY[1]
Message: Did you mean 'Anyone'?
Suggestion: Anyone
...angers associated with a manned flight. Any one example would have supported the conclu...
^^^^^^^
Line 9, column 554, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... poses a great task to the researchers. Summing up, I would like to conclude tha...
^^^^^^^^^
Transition Words or Phrases used:
also, first, however, if, look, regarding, second, secondly, so, well, kind of, as well as, first of all, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 20.0 19.6327345309 102% => OK
Auxiliary verbs: 8.0 12.9520958084 62% => OK
Conjunction : 3.0 11.1786427146 27% => More conjunction wanted.
Relative clauses : 10.0 13.6137724551 73% => More relative clauses wanted.
Pronoun: 15.0 28.8173652695 52% => OK
Preposition: 57.0 55.5748502994 103% => OK
Nominalization: 10.0 16.3942115768 61% => OK
Performance on vocabulary words:
No of characters: 2047.0 2260.96107784 91% => OK
No of words: 417.0 441.139720559 95% => More content wanted.
Chars per words: 4.90887290168 5.12650576532 96% => OK
Fourth root words length: 4.5189133491 4.56307096286 99% => OK
Word Length SD: 2.57544801984 2.78398813304 93% => OK
Unique words: 177.0 204.123752495 87% => More unique words wanted.
Unique words percentage: 0.424460431655 0.468620217663 91% => More unique words wanted or less content wanted.
syllable_count: 631.8 705.55239521 90% => OK
avg_syllables_per_word: 1.5 1.59920159681 94% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 4.96107784431 81% => OK
Article: 10.0 8.76447105788 114% => OK
Subordination: 0.0 2.70958083832 0% => More adverbial clause wanted.
Conjunction: 0.0 1.67365269461 0% => OK
Preposition: 2.0 4.22255489022 47% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 23.0 19.7664670659 116% => OK
Sentence length: 18.0 22.8473053892 79% => The Avg. Sentence Length is relatively short.
Sentence length SD: 29.0385312111 57.8364921388 50% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 89.0 119.503703932 74% => OK
Words per sentence: 18.1304347826 23.324526521 78% => OK
Discourse Markers: 5.34782608696 5.70786347227 94% => OK
Paragraphs: 6.0 5.15768463074 116% => OK
Language errors: 2.0 5.25449101796 38% => OK
Sentences with positive sentiment : 9.0 8.20758483034 110% => OK
Sentences with negative sentiment : 7.0 6.88822355289 102% => OK
Sentences with neutral sentiment: 7.0 4.67664670659 150% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.351222545535 0.218282227539 161% => OK
Sentence topic coherence: 0.117692173586 0.0743258471296 158% => OK
Sentence topic coherence SD: 0.0904353204471 0.0701772020484 129% => OK
Paragraph topic coherence: 0.187164274199 0.128457276422 146% => OK
Paragraph topic coherence SD: 0.0882727232493 0.0628817314937 140% => OK
Essay readability:
automated_readability_index: 10.8 14.3799401198 75% => Automated_readability_index is low.
flesch_reading_ease: 61.67 48.3550499002 128% => OK
smog_index: 3.1 7.1628742515 43% => Smog_index is low.
flesch_kincaid_grade: 9.1 12.197005988 75% => OK
coleman_liau_index: 10.9 12.5979740519 87% => OK
dale_chall_readability_score: 7.9 8.32208582834 95% => OK
difficult_words: 89.0 98.500998004 90% => OK
linsear_write_formula: 7.5 12.3882235529 61% => OK
gunning_fog: 9.2 11.1389221557 83% => OK
text_standard: 8.0 11.9071856287 67% => The average readability is low. Need to imporve the language.
What are above readability scores?
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Rates: 58.33 out of 100
Scores by essay e-grader: 3.5 Out of 6
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Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.