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Turnitin similarity reports do not indicate plagiarism and are only to serve as a potential warning sign. Further investigation and interpretation is always required, even if the percentage matching is as high as 100%.
Turnitin results should never be directly used to influence grades as the matching percentage of text can be greatly influenced by the length of a student submission, common terms or phrases, other student submissions that use similar language (such as question prompts), or unrelated web results using similar phrases.
Interpreting Similarity Reports
Please contact ceti@nku.edu if you need any additional assistance in interpreting Turnitin results.