Note: the information is provided by Turnitin: http://pages.turnitin.com/academy_0214.html
Turnitin released a report that examines Turnitin’s efficacy in higher education institutions in helping to reduce plagiarism in student writing, facilitate paperless submission of documents and allow instructors to provide feedback to students digitally. The study shows that schools using Turnitin reduced unoriginal writing by 39 percent and that the number of papers graded digitally increased 100-fold over the five-year study.
Download the full report.