The argument provided in a letter to the editor of a national aeronautics magazine states that the scientific community should have to invest resources in unmanned space flight. It fails to maintain several key factors on the basis of which it could be evaluated. To satisfy the conclusion the authors' reason is that some recent unmanned spacecraft demonstrate the best result with lower cost and risk than a manned spacecraft. However, careful scrutiny of the evidence reveals that it provides little justification to the arguers' salutatory conclusion. So, the argument is considered incomplete.
First of all, the argument readily assumes that manned space flight is costly and dangerous. This is merely and the assumption is made without solid ground. There can be a possibility that manned space flight is a little bit expensive than an unmanned one and which can be easily maintained by getting more useful information. There is also a possibility that the manned space flight is not much danger in this scientific era. However, the argument would have been better if it provides information about the cost difference and the dangers associated with a manned space flight than an unmanned one.
Second, the statement states that some recent unmanned space probes and satellites are doing a pretty good job than an unmanned one with minimal cost and risk. This again is a weak analogy present by an author to corroborate the conclusion. It does not demonstrate a clear correlation between the unmanned space flight with the reliability of the data presented by these techniques. It fails to explain the generalizing capacity of the unmanned space flight. It also fails to give a comparative chart of the reliability index of manned and unmanned spaceflight's data in a scientific community. However, the argument would have been better if it provides an example of some succeeds unmanned space flight with a rating of the reliability.
Moreover, the arguer overall justification is not acceptable from any aspect and raises some skeptical questions. For example, is unmanned space flight have a good analyzing brain than a man? The useful data acquired by the manned spacecraft is less important than the money investment? What is the acceptance rate of the data acquired by unmanned space flight in the scientific community? With out convincing th
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Essay evaluation report
samples:
https://www.testbig.com/gmatgre-essays/following-opinion-was-provided-l…
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Attribute Value Ideal
Final score: 2.5 out of 6
Category: Satisfactory Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 21 15
No. of Words: 381 350
No. of Characters: 1941 1500
No. of Different Words: 172 200
Fourth Root of Number of Words: 4.418 4.7
Average Word Length: 5.094 4.6
Word Length SD: 2.81 2.4
No. of Words greater than 5 chars: 153 100
No. of Words greater than 6 chars: 107 80
No. of Words greater than 7 chars: 84 40
No. of Words greater than 8 chars: 53 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 18.143 21.0
Sentence Length SD: 6.964 7.5
Use of Discourse Markers (%): 0.476 0.12
Sentence-Text Coherence: 0.326 0.35
Sentence-Para Coherence: 0.489 0.50
Sentence-Sentence Coherence: 0.081 0.07
Number of Paragraphs: 4 5
Grammar and spelling errors:
Line 3, column 215, Rule ID: LITTLE_BIT[1]
Message: Reduce redundancy by using 'little' or 'bit'.
Suggestion: little; bit
...ssibility that manned space flight is a little bit expensive than an unmanned one and whic...
^^^^^^^^^^
Line 5, column 460, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
... capacity of the unmanned space flight. It also fails to give a comparative chart ...
^^
Line 5, column 550, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'spaceflights'' or 'spaceflight's'?
Suggestion: spaceflights'; spaceflight's
...eliability index of manned and unmanned spaceflights data in a scientific community. However...
^^^^^^^^^^^^
Line 7, column 391, Rule ID: WITH_OUT[1]
Message: This word is usually written together. Did you mean 'without'?
Suggestion: Without
...ace flight in the scientific community? With out convincing th
^^^^^^^^
Transition Words or Phrases used:
also, first, however, if, moreover, second, so, for example, first of all
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 19.0 19.6327345309 97% => OK
Auxiliary verbs: 6.0 12.9520958084 46% => OK
Conjunction : 9.0 11.1786427146 81% => OK
Relative clauses : 9.0 13.6137724551 66% => More relative clauses wanted.
Pronoun: 19.0 28.8173652695 66% => OK
Preposition: 41.0 55.5748502994 74% => OK
Nominalization: 16.0 16.3942115768 98% => OK
Performance on vocabulary words:
No of characters: 1980.0 2260.96107784 88% => OK
No of words: 381.0 441.139720559 86% => More content wanted.
Chars per words: 5.1968503937 5.12650576532 101% => OK
Fourth root words length: 4.41805628031 4.56307096286 97% => OK
Word Length SD: 2.87289015459 2.78398813304 103% => OK
Unique words: 177.0 204.123752495 87% => More unique words wanted.
Unique words percentage: 0.464566929134 0.468620217663 99% => OK
syllable_count: 639.0 705.55239521 91% => OK
avg_syllables_per_word: 1.7 1.59920159681 106% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 6.0 4.96107784431 121% => OK
Article: 8.0 8.76447105788 91% => 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: 21.0 19.7664670659 106% => OK
Sentence length: 18.0 22.8473053892 79% => The Avg. Sentence Length is relatively short.
Sentence length SD: 43.1909224527 57.8364921388 75% => OK
Chars per sentence: 94.2857142857 119.503703932 79% => OK
Words per sentence: 18.1428571429 23.324526521 78% => OK
Discourse Markers: 3.47619047619 5.70786347227 61% => OK
Paragraphs: 4.0 5.15768463074 78% => More paragraphs wanted.
Language errors: 4.0 5.25449101796 76% => OK
Sentences with positive sentiment : 9.0 8.20758483034 110% => OK
Sentences with negative sentiment : 12.0 6.88822355289 174% => OK
Sentences with neutral sentiment: 0.0 4.67664670659 0% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.374945368309 0.218282227539 172% => OK
Sentence topic coherence: 0.111610619603 0.0743258471296 150% => OK
Sentence topic coherence SD: 0.084210550537 0.0701772020484 120% => OK
Paragraph topic coherence: 0.23768514249 0.128457276422 185% => OK
Paragraph topic coherence SD: 0.074198353421 0.0628817314937 118% => OK
Essay readability:
automated_readability_index: 12.1 14.3799401198 84% => Automated_readability_index is low.
flesch_reading_ease: 44.75 48.3550499002 93% => OK
smog_index: 8.8 7.1628742515 123% => OK
flesch_kincaid_grade: 11.5 12.197005988 94% => OK
coleman_liau_index: 12.58 12.5979740519 100% => OK
dale_chall_readability_score: 8.22 8.32208582834 99% => OK
difficult_words: 89.0 98.500998004 90% => OK
linsear_write_formula: 8.5 12.3882235529 69% => OK
gunning_fog: 9.2 11.1389221557 83% => OK
text_standard: 9.0 11.9071856287 76% => OK
What are above readability scores?
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Rates: 50.0 out of 100
Scores by essay e-grader: 3.0 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.