Basically, they do it with the help of plagiarism check or detection programs that are, actually, quite effective. This means that plagiarized papers and cheaters who have submitted them are spotted at once.
If you are a busy student who is looking for a bit illegal ways of completing his/her papers, this article about plagiarism detection programs will be useful.
How do teachers use plagiarism detection programs?
Everything is very simple. There are a lot of such free and commercial plagiarism detection programs as Turnitin, Copyscape, Plagiarism-Detector, Chimpsky, and others.
Once a teacher hesitates whether a student has prepared a work independently, he/she uses one of the plagiarism detection programs. A program checks a submitted paper against hundreds of other works on the Web. So, if you have downloaded a paper or copy-pasted some passages, a plagiarism detection program will detect this.
How do students use plagiarism detection programs?
One of the main reasons why students use plagiarism detection programs is to check the works prepared by custom writing companies. Custom written papers are a common practice these days. There are a lot of fake companies that send plagiarized, low quality papers to their customers.
This is when a plagiarism detection program will help you protect your rights and get your money back if necessary.
To avoid problems with your teacher because of plagiarized papers, use reliable writing companies that do not make empty promises and set too low prices.