Turnitin is an originality checking software that encourages original work by checking submitted papers against 14 billion web pages, 150 million student papers and leading library databases and publications. Turnitin is integrated into Canvas as an easy-to-use software.
According to Turnitin, over 50 percent of plagiarism comes from other student’s work. Turnitin compares submitted papers to a database of over 150 million papers in the Turnitin paper database. Each day, the Turnitin student database grows by 150,000 papers.
See the Turnitin FAQ for more information