Academic Integrity and Text Similarity Detection
Academic institutions enforce rigorous integrity codes regarding verbatim copying, uncredited paraphrasing, and source overlap. Before submitting essays to institutional checkers (Turnitin, SafeAssign), students can utilize n-gram phrase comparison to identify identical sentences and ensure all direct quotations are enclosed in quotation marks and properly cited.
📖 How to Use This Tool Step-by-Step
⚙️ Formulas, Methodology & Rules
📊 Similarity Threshold Guidelines
| Overlap % | Interpretation | Recommended Student Action |
|---|---|---|
| 0% – 10% | Acceptable / Standard | Normal common academic phrasing and terminology |
| 11% – 25% | Moderate Overlap | Review highlighted sections; ensure all direct quotes have citations |
| 26% – 50% | High Overlap | Paraphrase concepts in your own original words; cite sources |
| > 50% | Severe / Critical Overlap | Substantial verbatim copying detected; complete rewrite required |
💡 Real-World Academic Example
Comparing a 200-word student paragraph containing 3 identical 15-word phrases against a journal abstract flags a 22.5% overlap, prompting the student to add quotation marks and an APA citation.
❓ Frequently Asked Questions
No! Unlike commercial systems, EduTool runs 100% locally in your browser. Your draft is NEVER saved to any database or repository.
An n-gram is a contiguous sequence of n words from a given text used in natural language processing to detect identical phrasing.
Re-read the original concept, close the source tab, write the explanation in your own words, and include an in-text citation.