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The student does not see a penny of that profit. Turnitin on the other hand costs universities many thousands of pounds (as does the student version of its service, writecheck). It has been provided free for the past 5 years or so. It’s interesting that you give Viper such a scathing rating but ignore the fact that it is at the moment completely free, produced to help students. This is exactly what turnitin do – and turnitin also waive any right the student has to get paid for the document being stored in the database. We need to do this to increase the accuracy of the scanner. The other students do not have access to the document itself but where there is a plagiarised section in their document, this is highlighted. The term you have quoted here clearly states that the document will be stored so that other students can compare their documents with it. The really unfortunate ones may buy an essay from All Answers, only to find that it was written by one of their peers and caught for collusion and plagairism all in one go ?
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So students loose out whichever way they turn here – potentially giving away their work to be sold on to other students and then relying on plagiarism scanning tools instead of learning how to read, process information and demonstrate their understanding of it.
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‘By using the Viper software you acknowledge that All Answers Limited will store a copy of all documents processed by the program and documents submitted by other users will be compared to such copies and you agree that any right you may have to remuneration for such use of documents to which you hold the copyright is waived.’ Even if this were not the case – Viper has the distinction of being the worst system for detecting plagiarism, coming in last with just 24% of the effectiveness points on all test cases.”Īs Debora points out, the terms and conditions clearly state that essays will be used by All Answers, an essay writing service: This proves what many have often suspected: some supposedly plagiarism detection services are just harvesters for paper mills. Reading through the “Terms and condition” we find that by submitting a paper to Viper we give the company “All Answers Limited” the right to keep a copy of the paper and may use it for marketing purposes, either for Viper or for any “associated website”. We checked the street address – it is the same for both companies – and the telephone numbers, that only differ in the last digit. Writing to the company at the address given when we called on the phone bounces, the address is strangely the same as for a paper mill / essay writing service.
The system cannot deal with umlauts and produces a complicated online report and an unintelligible printed one. The hissing red snake logo is not very pleasant to look at.
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“ Viper installs a 1.5 MB client on a PC system. Here is the English summary of Viper’s perfomance. Easy side-by-side highlighted comparison.Scan against essays published on the Internet.Check your essay against 10 billion sources.
Doesn’t quite marry up with their marketing information: Viper is listed as one of the poorest performing systems in terms of detection, scoring much lower than Turnitin (ranked 2 to Turnitin’s 20 on the overal scale). This requires local installation on a PC and purports to be as accurate at detection matches between student work and other sources as Turnitin.ĭebora uses a set of test pieces, some of which are in German, but some in English, with sections copied from known sources, or plagiarised in different ways. The latest round of tests included a system that we have seen promoted to our students at Leicester, Viper (also known as ).
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She has very helpfully published the full report of the 2010 tests in English this year. Debora Weber-Wulff, Professor for Media and Computing at the HTW Berlin has carried out rigorous test on plagiarism detection software since 2004.