The limit for checking plagiarism depends on the type of work that is submitted and can vary by institution:
- Original papers: Zero plagiarism is preferred from authors, but some journals allow up to 15% similarity.
- Book chapters: Up to 5% similarity is common.
- Theses: A usually accepted similarity score is less than 10%.
- Assignments: Usually, schools permit a similarity score of less than 15%, but some completely forbid plagiarism.
- Turnitin similarity reports: The similarity score that is acceptable varies by department or institution, although 30% is often seen as high.
