The Effectiveness of Turnitin

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Plagiarism Prevention in US High Schools

Turnitin analyzed more than 36 million student papers from 2862 U.S. high schools to understand the change in levels of unoriginal content in student papers over time.

The purpose of this study is to uncover patterns regarding the effectiveness of Turnitin within high schools and to understand the timeframe within which customers begin to see change in the student submission of unoriginal work. Schools were grouped by state to provide a more meaningful, regional focus to the results.

Key findings:

  • High schools using Turnitin reduced unoriginal content in student writing by 33 percent over the course of the eight-year study.

  • Forty-three of the 50 states showed a reduction in unoriginal writing over the course of the study.

  • Twenty-one states exhibited an increase in levels of unoriginal writing during their second year of Turnitin usage as instructors and students grew familiar with the technology and its impact in the classroom.
  • Massachusetts showed the most dramatic change with an 83 percent reduction over eight years.