About Turnitin

Turnitin is software that identifies the matched material by checking the electronically submitted documents against its database of academic publications, internet, and previously submitted documents. Turnitin provides a “similarity index,” which does not mean plagiarism. Turnitin tool checks the contents of any documents for its association with original contents. It identifies the similarities to existing sources of the original contents of the documents. Its prime role is to evade the plagiarism and improve the integrity of the academic institutions.

Source: Meo SA, Talha M. Turnitin: Is it a text matching or plagiarism detection tool? Saudi J Anaesth. 2019 Apr;13(Suppl 1):S48-S51. doi: 10.4103/sja.SJA_772_18. PMID: 30930721; PMCID: PMC6398291.

AI Writing Detection Feature

This feature will help you as instructors, identify when AI writing tools such as ChatGPT may have been used to write any part of the content submitted in a student's assignment.
It will be automatically available within the products we use. Bear in mind that the AI detection results will not be visible to students; only instructors will be able to see it. Additionally, Turnitin will only be able to process submissions written in long-form English for AI detection.
AI detection has been added to the Turnitin Similarity report - this means that your existing workflow will remain unchanged.

Available period: April 1 ~ December 31, 2024 (Special thanks to Professor Yu-Ju Lan from the Department of Chinese as a Second Language for the purchase.)

Turnitin supported file format

  1. If the assignment settings are set to allow only file types that Turnitin can check for similarity, Turnitin will only accept files that can generate Similarity Reports.
  2. This includes: Microsoft Word® (.doc/.docx), OpenOffice Text (.odt), WordPerfect® (.wpd), PostScript (.ps), HTML, Hangul Word Processor (.hwp), Rich text format (.rtf), Plain text (.txt), Google Docs, Google Slides, Google Sheets via Google Drive™, Adobe® PDF (.pdf), Microsoft PowerPoint® (.pptx, .ppt, .ppsx, and .pps), Microsoft Excel® (.xls/.xlsx).
  3. Your total upload size must not exceed 200MB. Each file must be 100MB or less and must contain at least 20 words of text. The maximum paper length permitted is 800 pages.

※Turnitin stop supporting IE explorer since August, 31, 2020.

Source: https://help.turnitin.com/feedback-studio/turnitin-website/student/submitting- a-paper/file-requirements.htm

Account application for instructor and students

Instructor account

Please note that the application for Turnitin is limited to NTNU teaching faculties/instructors, department assistants, or administrative officers. To apply, please send an email to libservice@deps.ntnu.edu.tw and provide your last name, first name, school email, department, and position title. The library will then proceed to register the account on behalf of the applicant within three working days.

※If the instructor no longer uses it or quits, please inform the library to delete the account.

Student account

Please contact the administrative assistant of your department or the instructor of the class.

User Guide (Includes English and Chinese versions)

教師版操作說明(Instructor Guide)

學生版操作說明(Student Guide)

Please send an email to Ms. Chen (rschen@ntnu.edu.tw) if you have any further questions.

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