"Several recent surveys indicate that homeowners are increasingly eager to conserve energy and manufacturers are now marketing many home appliances, such as refrigerators and air conditioners, that are almost twice as energy-efficient as those sold a decade ago. Also, new technologies for better home insulation and passive solar heating are readily available to reduce the energy needed for home heating. Therefore, we anticipate that the total demand for electricity in our area will not increase, and may decline slightly. Since our three electric generating plants in operation for the past 20 years have always met our needs, construction of new generating plants should not be necessary."
At first glance, the memorandum proffered from the planning department of an electric power company seems to make sense. The author explained how latest home appliances and new technologies help home owners to save energy. Manufacturers are selling latest home appliances which are twice energy-efficient as those sold a decade ago. Author also pointed out about the new technologies for better home insulation and solar heating helps people to cut the energy need. Therefore, the author argued that construction of new electric generating plant is not required because total demand of electricity remains the same in 20 years, but there are several unproven assumptions.
First assumption concerned about manufacturers. The author assumed that the number of manufacturers in the market are same in 10 years. The memorandum doesn’t include the numbers of manufacturers available in the market because when there are more manufacturers in market, they compete to each other and they think of their profits not from customer’s point of view. No doubt that homeowners want to save energy efficiently. Author has not provided any evidence about the number of home owners in the area where the survey was conducted because 10 years is long period and it is unfair to compare the situation before 10 years and now.
Another assumption involved about new technologies. The author assumed that weather is same throughout the year in that place. New technologies for better home insulation and solar heating are easily available for home owners and these are energy saving, but solar panels are useful when there is enough sunlight. Otherwise people will have to keep the back up at their home which in turn results in the same cost as the electricity cost. Technologies have advanced beyond our thought and every house has several electronic gadgets and home appliances. Author assumed people use very limited appliances to save energy.
Final assumption was all about the electricity generating plants. The author assumes population size is same in 20 years. According to the latest report, population size has tremendously increased in past few years. Memorandum has many flaws by not mentioning the site where the survey was conducted whether the site is in developed country or developing country. 20 years ago,3 electric plants were enough to meet the needs of people but based on current population size decision should be taken for the need of new plant. If they will not construct the new plant, people will have to suffer. There are many countries in the world where people haven’t seen the electricity yet. How their life would be without electricity is hard to think.
In conclusion there are several unstated assumptions have been made in the memorandum. The author made several flaws in it about manufacturers, new technologies and electricity generating plants. It is very unlikely that demand of electricity remains the same in 20 years.
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Comments
Essay evaluation report
Attribute Value Ideal
Final score: 3.0 out of 6
Category: Satisfactory Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 27 15
No. of Words: 478 350
No. of Characters: 2428 1500
No. of Different Words: 219 200
Fourth Root of Number of Words: 4.676 4.7
Average Word Length: 5.079 4.6
Word Length SD: 2.766 2.4
No. of Words greater than 5 chars: 171 100
No. of Words greater than 6 chars: 115 80
No. of Words greater than 7 chars: 81 40
No. of Words greater than 8 chars: 67 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 17.704 21.0
Sentence Length SD: 8.981 7.5
Use of Discourse Markers (%): 0.333 0.12
Sentence-Text Coherence: 0.298 0.35
Sentence-Para Coherence: 0.466 0.50
Sentence-Sentence Coherence: 0.065 0.07
Number of Paragraphs: 5 5
Grammar and spelling errors:
Line 1, column 143, Rule ID: THE_SUPERLATIVE[2]
Message: A determiner is probably missing here: 'how the latest'.
Suggestion: how the latest
...ems to make sense. The author explained how latest home appliances and new technologies he...
^^^^^^^^^^
Line 1, column 242, Rule ID: THE_SUPERLATIVE[2]
Message: A determiner is probably missing here: 'selling the latest'.
Suggestion: selling the latest
...wners to save energy. Manufacturers are selling latest home appliances which are twice energy-...
^^^^^^^^^^^^^^
Line 5, column 315, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Otherwise,
...e useful when there is enough sunlight. Otherwise people will have to keep the back up at...
^^^^^^^^^
Transition Words or Phrases used:
also, but, first, if, so, therefore, in conclusion, no doubt
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 26.0 19.6327345309 132% => OK
Auxiliary verbs: 7.0 12.9520958084 54% => OK
Conjunction : 15.0 11.1786427146 134% => OK
Relative clauses : 13.0 13.6137724551 95% => OK
Pronoun: 18.0 28.8173652695 62% => OK
Preposition: 59.0 55.5748502994 106% => OK
Nominalization: 12.0 16.3942115768 73% => OK
Performance on vocabulary words:
No of characters: 2499.0 2260.96107784 111% => OK
No of words: 475.0 441.139720559 108% => OK
Chars per words: 5.26105263158 5.12650576532 103% => OK
Fourth root words length: 4.66845742379 4.56307096286 102% => OK
Word Length SD: 2.86552843043 2.78398813304 103% => OK
Unique words: 223.0 204.123752495 109% => OK
Unique words percentage: 0.469473684211 0.468620217663 100% => OK
syllable_count: 794.7 705.55239521 113% => OK
avg_syllables_per_word: 1.7 1.59920159681 106% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 4.96107784431 40% => OK
Article: 8.0 8.76447105788 91% => OK
Subordination: 1.0 2.70958083832 37% => OK
Conjunction: 2.0 1.67365269461 119% => OK
Preposition: 3.0 4.22255489022 71% => OK
Performance on sentences:
How many sentences: 27.0 19.7664670659 137% => OK
Sentence length: 17.0 22.8473053892 74% => The Avg. Sentence Length is relatively short.
Sentence length SD: 51.6350228333 57.8364921388 89% => OK
Chars per sentence: 92.5555555556 119.503703932 77% => OK
Words per sentence: 17.5925925926 23.324526521 75% => OK
Discourse Markers: 2.22222222222 5.70786347227 39% => More transition words/phrases wanted.
Paragraphs: 5.0 5.15768463074 97% => OK
Language errors: 3.0 5.25449101796 57% => OK
Sentences with positive sentiment : 10.0 8.20758483034 122% => OK
Sentences with negative sentiment : 4.0 6.88822355289 58% => More negative sentences wanted.
Sentences with neutral sentiment: 13.0 4.67664670659 278% => Less facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.146697640746 0.218282227539 67% => OK
Sentence topic coherence: 0.0409546899132 0.0743258471296 55% => OK
Sentence topic coherence SD: 0.0567741520375 0.0701772020484 81% => OK
Paragraph topic coherence: 0.0847097633806 0.128457276422 66% => OK
Paragraph topic coherence SD: 0.0465762862446 0.0628817314937 74% => OK
Essay readability:
automated_readability_index: 12.1 14.3799401198 84% => Automated_readability_index is low.
flesch_reading_ease: 45.76 48.3550499002 95% => OK
smog_index: 8.8 7.1628742515 123% => OK
flesch_kincaid_grade: 11.1 12.197005988 91% => OK
coleman_liau_index: 12.93 12.5979740519 103% => OK
dale_chall_readability_score: 7.67 8.32208582834 92% => OK
difficult_words: 96.0 98.500998004 97% => OK
linsear_write_formula: 11.5 12.3882235529 93% => OK
gunning_fog: 8.8 11.1389221557 79% => OK
text_standard: 12.0 11.9071856287 101% => OK
What are above readability scores?
---------------------
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.