Grammarly free plagiarism checker versus Turnitin and Quillbot plagiarism checkers -tested
TLDRThe video compares three plagiarism checkers: Grammarly, Turnitin, and Coubbot. It demonstrates their effectiveness by uploading various texts, including a 2000-word document and a verbatim 1748-word excerpt. Grammarly consistently reports no plagiarism, while Turnitin and Coubbot identify significant similarities, with Turnitin showing a 99% match for the verbatim text. Coubbot finds 91.2% identical in the public domain paper, highlighting differences in their source databases and detection capabilities.
Takeaways
- 🔍 Grammarly offers a free plagiarism checker that claims to compare documents to 16 billion web pages.
- 📄 The test document of over 2,000 words showed no plagiarism according to Grammarly.
- 🤖 Coolbot reported a 46% match for the same document, indicating a significant amount of identical or slightly altered content.
- 📈 Turnitin detected a 64% similarity score for the test document, suggesting direct copying and paraphrasing.
- 🔎 Turnitin also scans student repositories, which can affect the similarity score.
- 🌐 Without student repository scanning, Turnitin's similarity score dropped to 53%, still higher than Grammarly's report.
- 📃 Another text known to be copied from the internet showed no plagiarism in Grammarly's initial test, but a 64% similarity score in Turnitin.
- 💯 When testing with content directly copied from a single source, Turnitin showed a 99% similarity score, while Grammarly inconsistently reported no plagiarism.
- 📑 For a long academic paper (8 pages) that was publicly available, Grammarly reported no plagiarism, whereas Turnitin and Coolbot showed extremely high similarity scores.
- ⏱️ Coolbot takes slightly longer for plagiarism assessment but highlights the sources of copied content.
- 💡 It's important to be aware that different plagiarism checkers may yield different results and may not catch all instances of copied content.
Q & A
What is the main topic of the video?
-The main topic of the video is a comparison of different plagiarism checkers, specifically Grammarly, Turnitin, and Coolbot.
How does Grammarly's plagiarism checker claim to work?
-Grammarly's plagiarism checker claims to compare documents to 16 billion web pages and identify instances of plagiarism.
What was the result of the first document scanned with Grammarly's plagiarism checker?
-Grammarly's plagiarism checker reported no plagiarism found in the first document, which was over 2,000 words.
What was the outcome when the same document was uploaded to Coolbot?
-Coolbot found a 46% match, indicating that a significant portion of the content was identical or had minor changes.
How does Turnitin define plagiarism?
-Turnitin considers 21.7% as identical verbatim copying and 24.3% as minor changes, which means the content is largely the same with only a few alterations.
What was Turnitin's result for the first document?
-Turnitin reported a 64% similarity score for the first document, indicating a high level of direct copying or paraphrasing.
What was observed when the same text was scanned multiple times with Grammarly?
-Grammarly provided inconsistent results, sometimes reporting no plagiarism and other times indicating plagiarism, depending on the scan.
What was the result of scanning a large conference paper with Grammarly?
-Grammarly reported no plagiarism for the conference paper, even though it was available in the public domain and was a verbatim copy.
How did Coolbot and Turnitin perform with the conference paper?
-Coolbot found a 91.2% identical match, while Turnitin reported a 100% copied score, both indicating that the paper was directly copied from a source.
What is the main takeaway from the video regarding plagiarism checkers?
-The main takeaway is that different plagiarism checkers may yield different results, and relying solely on one tool like Grammarly may not be sufficient to detect all instances of plagiarism.
What advice does the video give about using plagiarism checkers?
-The video advises users to be aware that no single plagiarism checker is perfect and to consider using multiple tools for a more comprehensive assessment of potential plagiarism.
Outlines
🔍 Comparing Plagiarism Checkers: Grammarly vs Turnitin vs Cobot
This paragraph discusses a comparative analysis of three plagiarism checking tools: Grammarly, Turnitin, and Cobot. The speaker uploads a document and tests each tool to check for plagiarism. Grammarly claims no plagiarism is found, while Cobot identifies a 46% match, indicating significant portions of the content are copied. Turnitin also detects a 64% similarity score, suggesting direct copying and paraphrasing. The speaker then tests another text and finds inconsistencies in Grammarly's results, as it sometimes fails to detect plagiarism. The paragraph highlights the limitations of free plagiarism checkers and the importance of using reliable tools for accurate results.
📚 Case Study: Plagiarism Detection in Academic and Public Domain Texts
The second paragraph presents a case study of plagiarism detection using the same tools on a conference paper that is publicly available. The speaker expresses concern about the speed of Grammarly's results and its reliability. Despite Grammarly reporting no plagiarism, Turnitin and Cobot find a 100% and 91.2% match, respectively, indicating verbatim copying. The paragraph emphasizes the differences between the tools, noting that Cobot locates free sources while Turnitin identifies the original publication site, which may require payment or institutional access. The speaker advises viewers to be cautious when relying on plagiarism checkers and to consider the source of the detected content.
Mindmap
Keywords
💡Plagiarism Checker
💡Grammarly
💡Turnitin
💡Coolbot
💡Web Pages
💡Academic Misconduct
💡Originality
💡Database
💡Paraphrasing
💡Student Repository
💡Public Domain
Highlights
Comparison of Grammarly's plagiarism checker with Turnitin and Coobot.
Grammarly's plagiarism checker claims to compare documents to 16 billion web pages.
A 2000-word document showed no plagiarism on Grammarly but a 46% match on Coobot.
Coobot identifies 21.7% as identical copying and 24.3% as minor changes.
Turnitin reported a 64% similarity score for the same document.
Turnitin scans the student repository, including university submissions.
Without the student repository, Turnitin's similarity score drops to 53%.
Grammarly's inconsistent results with repeated scans of the same text.
100% copied content from a single source was not detected by Grammarly on the first scan.
Turnitin showed a 99% similarity score for the 100% copied content.
Coobot found 91.2% identical in the 100% copied content.
Grammarly's quick results may raise concerns about its thoroughness.
Coobot and Turnitin have differences in their sources and detection capabilities.
Coobot locates free sources, while Turnitin accesses the publication site.
Grammarly's plagiarism checker may not pick up all instances of plagiarism.
The importance of being aware of the limitations of each plagiarism checker.
The practical application of these tools in detecting academic misconduct.
The need for caution when relying solely on one plagiarism detection tool.