Frequently Asked Questions
- Who or what is analyzing my paper?
- When I submit a paper to your site, will it be detected by a plagiarism detection service when my teacher checks it?
- Why did my paper receive the grade your auto-grader gave it?
- How do you make money off this service?
- Do you have a similar proofreading service for non-English languages?
- Do I need to download or install anything to use your service?
- Is this service going to remain FREE?
- There is an error in my paper that was not detected by PaperRater. Why is that?
- Your service tells me that there's a mistake in my paper, but I am certain that my writing is correct. How is this?
- Why is the suggestion given for one of my mistakes worse than the original mistake?
- Should a teacher use the grade given by PaperRater as the student's final grade on a paper?
- I submitted my paper to your site and then my computer crashed before I had a chance to save the paper. Can you send me my paper?
- What is the maximum length of text that I can submit?
Who or what is analyzing my paper?
We use proprietary software running on a Linux-based operating system. This conglomeration of computer algorithms has not yet been given an official name, but it is affectionately known as "Grendel".
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When I submit a paper to your site, will it be detected by a plagiarism detection service when my teacher checks it?
PaperRater.com does not distribute your papers to any plagiarism detection services, nor does our own plagiarism detection rely on past submissions.
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Why did my paper receive the grade your auto-grader gave it?
The estimated grade is the result of many factors including word choice, spelling, grammar, and more. The other feedback given by our service should provide you with clues as to how to improve your grade. Please note that the auto-grader is not able to analyze your ideas, how well you support your main points, the logic of your statements, the organization of your text, and more. Scores on creative writing do not always transfer as well due to the computer's inability to evaluate analogies and other clever constructs. Any more information on this would require discussion of statistics, machine learning, and natural language processing...(Exciting to us, but not to most people)
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How do you make money off this service?
We are focused primarily on growth at this point (we are a startup), but we offer a premium membership for those interested in more features. Costs are also offset by the ads that you may have noticed on some pages of our site.
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Do you have a similar proofreading service for non-English languages?
Not at this time. If you think this is a good idea, suggest it using the Feedback tab on the right side of this page.
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Do I need to download or install anything to use your service?
No. This is a web-based service -- you do NOT download anything. All processing takes place on our server and the results are displayed in your browser.
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Is this service going to remain FREE?
YES. We will ALWAYS have a free service, with mostly the same features that it has now. In the future, we plan on providing premium services that offer additional enhancements.
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There is an error in my paper that was not detected by PaperRater. Why is that?
There are a few possible reasons for this. PaperRater looks for common errors, and your mistake may not be one that it recognizes. In addition, PaperRater only suggests changes when its statistical models are confident that there is a problem, so that users aren't presented with many "false positives". We don't want to mention any names, but we have found other popular grammar checkers to be wrong in 25-45% of the instances they flag.
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Your service tells me that there's a mistake in my paper, but I am certain that my writing is correct. How is this?
We do our best to minimize these instances of "false positives", but our software and statistical models are not perfect. You can email us the sentence in question along with the message, and this info will help to improve our system.
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Why is the suggestion given for one of my mistakes worse than the original mistake?
Ouch, that hurts. Grendel (our automated proofreading software) attempts to find the best correction using techniques available to computers. He lacks the full contextual understanding of a human and is semantically-challenged. To help Grendel improve, please email us the problem sentence and the bad suggestion.
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Should a teacher use the grade given by PaperRater as the student's final grade on a paper?
Most teachers would like students' grades to reflect the standards set forth by that particular teacher for that particular class. For example, a high school may have three different writing levels (and classes) within the same grade level (e.g., Senior). Even if each class has the same teacher, he/she would grade each class differently. For example, an AP English class would not be graded the same as a basic level classroom. In addition, it's important to note that the automated grader does not take into account all features of the text. Evaluating the organization of the text and the arguments made is still something that we leave up to the teacher.
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I submitted my paper to your site and then my computer crashed before I had a chance to save the paper. Can you send me my paper?
As much as we are sorry for your loss, we cannot assist with these requests. Most papers are deleted from our system within hours of being submitted. Moreover, there would be thorny privacy issues to navigate even if we were able to respond quick enough to retrieve your paper.
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What is the maximum length of text that I can submit?
We allow 6 pages at roughly 300 words/page for our free service. We have a premium service at http://premium.PaperRater.com that allows up to 15 pages. If we go higher than that, Grendel can't fully digest your submission (he gets indigestion). Of course, if your paper exceeds the limit, you are welcome to split it up into multiple submissions.
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