The following appeared in a memorandum from the planning department of an electric power company.
Several recent surveys indicate that home owners are increasingly eager to conserve energy. At the same time, 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, 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 twenty years have always met our needs, construction of new generating plants will not be necessary.
Write a response in which you examine the stated and/or unstated assumptions of the argument. Be sure to explain how the argument depends on these assumptions and what the implications are for the argument if the assumptions prove unwarranted.
According to the argument in the memorandum from the planning department of the electric power company, there is no need to build new generating plants since a recent surveys show increasing attention to save energy among home owners and a host of technology will help to increase energy efficiency. However, a number of assumptions have been made in the argument and we need further investigation to evaluate the soundness of the argument.
Fisrtly, it assumes that home onwers that care about conserving energy will use the newest home appliances which could be twice as energy efficient as those sold a decade ago. However, there are other scenarios which need to be taken into account. Are people in the area willing to change their home appliances even if they are still functional? What about the appliances that are bought last year? Are they as energy efficient as the newest ones? If people are reluctant to buy new appliances, the argument that demand for electricity will not increase will be weakened.
Another assumption is that home onwers will use the new technologies to reduce the energy needed for home heating. However, there are other scenarios. Maybe the price to replace the old house heating system is too expensive to be put into practice for ordinary civiliants, or some people just do not want to make this change because they think it will cause too much time to do so. If these reasons result in people refusing to take new technologies to reduce the energy for home heating, the conclusion that the demand for electricity will decrease will not be sound.
while the author assumes that the three electric generating plants could generate as much energy as two decades ago, this assumption is unwarrented because things scarcely remain the same over time. There are likely all kinds of difference between now and two decades ago. For example, the equipments decay over time and now only part of them work well in the plants, hence the electricity productiveness deccline. Or maybe one of the plants use water power to generate electricity and the water level have decrease in the past twenty years, so the plant can not generate enough electricty to support the area.Without ruling out these posibilities, the arguement would be significantly weakened.
In conclusion, the author needs to present more evidence to support the assumptions that have been explicitly or implicitly made in the argument to convince us construction of new generating plants will not be necessary. In its present form, the argument is not very strong.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2019-10-29 | Noma Ahmad | 16 | view |
| 2016-10-13 | Copperface | 66 | view |
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Grammar and spelling errors:
Line 1, column 168, Rule ID: A_PLURAL[2]
Message: Don't use indefinite articles with plural words. Did you mean 'survey'?
Suggestion: survey
...ld new generating plants since a recent surveys show increasing attention to save energ...
^^^^^^^
Line 7, column 1, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: While
...ity will decrease will not be sound. while the author assumes that the three elect...
^^^^^
Line 7, column 611, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: Without
...e enough electricty to support the area.Without ruling out these posibilities, the argu...
^^^^^^^
Discourse Markers used:
['hence', 'however', 'if', 'may', 'so', 'still', 'well', 'while', 'for example', 'in conclusion']
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance in Part of Speech:
Nouns: 0.24672489083 0.25644967241 96% => OK
Verbs: 0.183406113537 0.15541462614 118% => OK
Adjectives: 0.0676855895197 0.0836205057962 81% => OK
Adverbs: 0.0698689956332 0.0520304965353 134% => OK
Pronouns: 0.0218340611354 0.0272364105082 80% => OK
Prepositions: 0.109170305677 0.125424944231 87% => OK
Participles: 0.0458515283843 0.0416121511921 110% => OK
Conjunctions: 2.71335642962 2.79052419416 97% => OK
Infinitives: 0.0436681222707 0.026700313972 164% => OK
Particles: 0.00218340611354 0.001811407834 121% => OK
Determiners: 0.10480349345 0.113004496875 93% => OK
Modal_auxiliary: 0.028384279476 0.0255425247493 111% => OK
WH_determiners: 0.0152838427948 0.0127820249294 120% => OK
Vocabulary words and sentences:
No of characters: 2566.0 2731.13054187 94% => OK
No of words: 425.0 446.07635468 95% => OK
Chars per words: 6.03764705882 6.12365571057 99% => OK
Fourth root words length: 4.54043259262 4.57801047555 99% => OK
words length more than 5 chars: 0.350588235294 0.378187486979 93% => OK
words length more than 6 chars: 0.247058823529 0.287650121315 86% => OK
words length more than 7 chars: 0.2 0.208842608468 96% => OK
words length more than 8 chars: 0.127058823529 0.135150697306 94% => OK
Word Length SD: 2.71335642962 2.79052419416 97% => OK
Unique words: 210.0 207.018472906 101% => OK
Unique words percentage: 0.494117647059 0.469332199767 105% => OK
Word variations: 54.9261403133 52.1807786196 105% => OK
How many sentences: 18.0 20.039408867 90% => OK
Sentence length: 23.6111111111 23.2022227129 102% => OK
Sentence length SD: 79.0895921108 57.7814097925 137% => OK
Chars per sentence: 142.555555556 141.986410481 100% => OK
Words per sentence: 23.6111111111 23.2022227129 102% => OK
Discourse Markers: 0.555555555556 0.724660767414 77% => OK
Paragraphs: 5.0 5.14285714286 97% => OK
Language errors: 3.0 3.58251231527 84% => OK
Readability: 48.3169934641 51.9672348444 93% => OK
Elegance: 1.46031746032 1.8405768891 79% => OK
Coherence and Cohesion:
Essay topic to essay body coherence: 0.438620683519 0.441005458295 99% => OK
Sentence sentence coherence: 0.12719815994 0.135418324435 94% => OK
Sentence sentence coherence SD: 0.0821914302597 0.0829849096947 99% => OK
Sentence paragraph coherence: 0.582007410504 0.58762219726 99% => OK
Sentence paragraph coherence SD: 0.205241905454 0.147661913831 139% => OK
Sentence topic coherence: 0.178408254065 0.193483328276 92% => OK
Sentence topic coherence SD: 0.0785978834528 0.0970749176394 81% => OK
Paragraph paragraph coherence: 0.356437535601 0.42659136922 84% => OK
Paragraph paragraph coherence SD: 0.0637973815091 0.0774707102158 82% => OK
Paragraph topic coherence: 0.289179883843 0.312017818177 93% => OK
Paragraph topic coherence SD: 0.0609337870239 0.0698173142475 87% => OK
Task Achievement:
Sentences with positive sentiment : 7.0 8.33743842365 84% => OK
Sentences with negative sentiment : 6.0 6.87684729064 87% => OK
Sentences with neutral sentiment: 5.0 4.82512315271 104% => OK
Positive topic words: 6.0 6.46551724138 93% => OK
Negative topic words: 5.0 5.36822660099 93% => OK
Neutral topic words: 2.0 2.82389162562 71% => OK
Total topic words: 13.0 14.657635468 89% => OK
What are sentences with positive/Negative/neutral sentiment?
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Rates: 66.67 out of 100
Scores by essay e-grader: 4.0 Out of 6 -- The score is based on the average performance of 20,000 argument essays. This e-grader is not smart enough to check on arguments.
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Note: This is not the final score. 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.