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About Originality Check
About Originality Check
An originality check compares your writing against a massive database of academic sources to identify overlapping text. Once you upload your document, the system generates a similarity report with a percentage score, helping you ensure your work is properly cited and authentically yours.
When to Use It
Verification: To confirm the originality of your research.
Integrity: To double-check for unintentional plagiarism before submission.
Milestones: A required step before thesis proposals or final defenses.
Who Is It For?
Graduate Students (Master's & PhD)
Thesis Committees & Oral Examiners
Journal Editors & Peer Reviewers
Turnitin Features
Turnitin Features
Similarity Detection: Compares uploaded documents against global academic resources to detect similarities.
Source Comparison: Highlights matching text in color and provides direct links to original sources.
Reports: View and download detailed similarity reports online.
Database Sources
Database Sources
Turnitin compares your work against a massive database, including:
Billions of web pages (current and archived).
Scholarly publications, journals, and books.
A repository of student papers worldwide.
Important Notes (Read Before Use)
Important Notes (Read Before Use)
Turnitin workflow: To check your thesis, you must first "Join a Class" and then upload your file to an "Assignment" inbox.
Timeline: Access is provided per semester. You can upload files until the class end date; after that, you can only view or download existing reports.
Current Access Info:
Class Name: 114-2 論文比對專區 Spring 2026 Originality Check
End Date: 2026-09-07
Class ID: 51864234
Enrollment Key: LETSGRAD114
For TNUA members only. Please do not share these credentials.
Accounts registered with non-TNUA emails will be deleted.
Create a User Profile
Create a User Profile
Go to the Turnitin login page.
Click "New User? Click here" and select "Student".
All TNUA users (including faculty/staff) must register as a "Student" for quick self-checking.
Class ID Information: Enter the credentials found in the "Important Notes" section above.
User Information: Enter your First Name, Last Name, and TNUA email address.
Accounts registered with non-TNUA emails will be deleted.Security: Set your password and a secret question for recovery.
User Agreement: Read the terms, check "I'm not a robot," and click "I Agree" to finish.
Uploading Documents
Uploading Documents
Click on the Class Name.
Choose an available assignment slot and click "Open".
Click "Upload Submission".
Choose your method: Upload File, Text Input, or Cloud Submission.
Select your file and click "Upload and Review".
Confirm by clicking "Submit to Turnitin". You will receive a confirmation email.
Re-uploading: To replace a file, click the "Upload" (↑) icon. To keep both versions, upload the new file to a different assignment slot.
FAQ
FAQ
I have an account, but the class has expired and I cannot upload files.
I have an account, but the class has expired and I cannot upload files.
Log in to Turnitin > Click "Enroll in a Class" at the top left > Enter the current Class ID and Enrollment Key from "Important Notes" section above > You can now join the new semester’s class and resume checking.
How to navigate & read the similarity report?
How to navigate & read the similarity report?
Training video
Training video
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