Grammarly free plagiarism checker versus Turnitin and Quillbot plagiarism checkers -tested

ecologicaltime
16 May 202306:57

TLDRThis video compares the effectiveness of Grammarly's free plagiarism checker with Turnitin and Quillbot. The test documents, including one with verbatim copying, were scanned for plagiarism. Grammarly consistently reported no plagiarism, while Turnitin and Quillbot identified significant similarities and direct copying, with Turnitin also scanning student repositories. The video highlights the limitations of Grammarly's checker and the more comprehensive detection by Turnitin and Quillbot.

Takeaways

  • 🔍 The video compares Grammarly's free plagiarism checker with Turnitin and Quillbot, testing their effectiveness on the same documents.
  • ✅ Grammarly claims to check against 16 billion web pages for plagiarism.
  • 📄 In the first test, Grammarly reported no plagiarism in a 2,000-word document, while Quillbot found a 46% match with significant verbatim copying.
  • 🆚 Turnitin, in contrast, showed a 64% similarity score for the same document, indicating direct copying and paraphrasing.
  • 🔄 When the student repository feature in Turnitin was disabled, the similarity score dropped to 53%, still higher than Quillbot's and Grammarly's results.
  • 🔁 The video demonstrates that Grammarly's results can be inconsistent, sometimes failing to detect plagiarism even when re-scanning the same content.
  • 💯 In a test with content copied verbatim from a single source, Grammarly initially reported no plagiarism, but upon re-scanning, it found some instances.
  • 📈 Turnitin consistently showed high similarity scores, accurately detecting plagiarism in all tests, including a case with 99% similarity.
  • 🕒 Quillbot took longer to process the plagiarism check but provided detailed highlighting of copied content and sources.
  • 📊 The video concludes that Grammarly's free plagiarism checker may not be as reliable as Turnitin or Quillbot, especially for detecting verbatim copying.
  • ⚠️ A cautionary note is given about the differences in the sources detected by Quillbot and Turnitin, with the latter accessing more authoritative and possibly paid sources.

Q & A

  • What is the main topic of the video?

    -The main topic of the video is a comparison of plagiarism checkers, specifically Grammarly's free plagiarism checker, Turnitin, and Quillbot.

  • How does Grammarly's plagiarism checker claim to work?

    -Grammarly's plagiarism checker claims to compare documents to 16 billion web pages to detect plagiarism.

  • What was the result when the same document was uploaded to Quillbot?

    -Quillbot found a 46% match, with 21.7% considered identical verbatim copying and 24.3% considered minor changes.

  • How does Turnitin's plagiarism detection compare to Grammarly's and Quillbot's?

    -Turnitin detected a higher percentage of similarity, with 64% for the same document, indicating more direct copying or paraphrasing.

  • What additional feature does Turnitin have that was mentioned in the video?

    -Turnitin scans the student repository, which includes submissions from universities where Turnitin is used.

  • What was the outcome when the presenter uploaded a text with 100% copied content from one source?

    -Grammarly's plagiarism checker initially reported no plagiarism found, but upon rescanning, it sometimes detected plagiarism.

  • What was the result when an entire conference paper was uploaded to Grammarly's plagiarism checker?

    -Grammarly reported no plagiarism found, despite the paper being a verbatim copy from a public domain source.

  • How does the video suggest the reliability of Grammarly's plagiarism checker?

    -The video suggests that Grammarly's plagiarism checker may not be as reliable as Turnitin or Quillbot, as it did not consistently detect copied content.

  • What is a key difference between Quillbot and Turnitin mentioned in the video?

    -A key difference is that Quillbot locates free sources, while Turnitin can locate the original publication sites that may require payment or institutional access.

  • What is the conclusion the presenter draws about Grammarly's plagiarism checker after testing?

    -The presenter concludes that Grammarly's plagiarism checker may not pick up on all instances of plagiarism and suggests being cautious when relying on it.

Outlines

00:00

🔍 Comparing Plagiarism Checkers: Grammarly vs. Turnitin vs. Cobalt

The video script discusses a comparison between three plagiarism detection tools: Grammarly, Turnitin, and Cobalt. The narrator tests each tool by uploading a document with over 2000 words and observes that Grammarly's free plagiarism checker reports no plagiarism, while Cobalt identifies a 46% match with significant verbatim copying and minor changes. Turnitin, on the other hand, flags a 64% similarity score, indicating direct copying and paraphrasing. The narrator also notes that Turnitin scans student repositories, which could affect the similarity score. In a follow-up test, Grammarly fails to detect plagiarism in a text known to be copied, while Turnitin again reports a high similarity score. The narrator concludes by testing a verbatim copied text and finds inconsistencies in Grammarly's detection, whereas Turnitin accurately identifies the plagiarism with a 99% similarity score.

05:01

📚 Testing Plagiarism Checkers with a Published Paper

In the second paragraph, the narrator uploads an 8000-word conference paper that is publicly available on platforms like ResearchGate and the IEEE Library to test the plagiarism checkers. Despite the paper being a verbatim copy, Grammarly's checker quickly reports no plagiarism, raising concerns about its reliability. Turnitin, however, accurately detects the paper as a 100% copied document. Cobalt also takes longer to process and reports a 91.2% match, acknowledging the direct copying. The narrator points out that Cobalt's sources are free and accessible, unlike Turnitin's, which might require institutional access or payment. The video concludes with a cautionary note about relying solely on Grammarly's plagiarism checker due to its inconsistent detection rates compared to Turnitin and Cobalt.

Mindmap

Keywords

💡Plagiarism Checker

A plagiarism checker is a software tool used to detect instances of plagiarism, which is the act of using someone else's work or ideas and presenting them as one's own without proper attribution. In the video, the host tests different plagiarism checkers, including Grammarly, Turnitin, and Quillbot, to evaluate their effectiveness in identifying copied content. The tool's ability to accurately detect plagiarism is crucial for academic integrity and ensuring originality in written work.

💡Turnitin

Turnitin is a widely used plagiarism detection service that compares submitted documents against a vast database of web content, publications, and student papers to identify similarities. It is commonly used by educational institutions to prevent academic dishonesty. In the video, the host compares Turnitin's results with those of other plagiarism checkers, highlighting its ability to detect both direct copying and paraphrasing.

💡Quillbot

Quillbot is a tool that offers paraphrasing and plagiarism checking services. It is designed to help users rephrase content to avoid plagiarism and to check for originality. In the video, Quillbot is used to analyze the same document as the other tools, and it identifies a significant amount of copied content, even showing the sources of the original text.

💡Verbatim Copying

Verbatim copying refers to the act of copying text word-for-word from a source without making any changes. This is a clear form of plagiarism and is easily detectable by plagiarism checkers. The video demonstrates the effectiveness of the tools by testing them on a document that contains verbatim copying, with Turnitin showing a high similarity score.

💡Paraphrase

Paraphrase involves rewording or rephrasing a text while retaining the original meaning. It is a technique used to present information in one's own words, which can be a way to avoid plagiarism if done correctly. However, if the paraphrasing is not substantial enough, it can still be detected as plagiarism by sophisticated tools like Turnitin and Quillbot.

💡Student Repository

The student repository is a database of student work that Turnitin uses to check for plagiarism. It includes papers submitted by students at educational institutions that use Turnitin. In the video, the host mentions that Turnitin's similarity score is higher when the student repository is included in the comparison, indicating that the document has been copied or closely paraphrased from student work.

💡Academic Misconduct

Academic misconduct encompasses various actions that violate academic integrity, such as plagiarism, cheating, and falsification of data. The video discusses the importance of using plagiarism checkers to prevent academic misconduct, as it can have serious consequences for students, including failing grades and damage to their academic reputation.

💡Public Domain

The public domain refers to works that are not protected by copyright and are freely available for use by anyone. In the video, the host uploads a document that is in the public domain to test the plagiarism checkers. The expectation is that since the content is not copyrighted, the plagiarism checkers should not flag it as plagiarized.

💡Similarity Score

A similarity score is a percentage that indicates the degree to which a document matches content in a plagiarism checker's database. A higher score suggests a greater amount of copied or closely paraphrased content. The video compares the similarity scores provided by different tools to assess their accuracy in detecting plagiarism.

💡Attribution

Attribution in the context of academic writing refers to the proper citation of sources when using someone else's work or ideas. It is a crucial aspect of avoiding plagiarism and maintaining academic integrity. The video indirectly addresses the importance of attribution by showing how plagiarism checkers can detect content that lacks proper citations.

Highlights

Grammarly's free plagiarism checker is tested against Turnitin and Quillbot.

Grammarly claims to compare documents to 16 billion web pages for plagiarism.

A 2000-word document shows no plagiarism on Grammarly's initial scan.

Quillbot finds a 46% match rate with 21.7% identical copying in the same document.

Turnitin reports a 64% similarity score for the document, indicating direct copying.

Turnitin also scans student repositories for comparison.

Disabling the student repository in Turnitin reduces the similarity score to 53%.

Grammarly's checker fails to detect plagiarism in a text known to be copied from the internet.

Turnitin detects a 64% similarity score for the copied text.

Testing a 100% copied text, Grammarly initially reports no plagiarism.

After re-scanning, Grammarly inconsistently detects plagiarism.

Turnitin shows a 99% similarity score for the same copied text.

Quillbot takes longer to assess plagiarism but identifies 91.2% as identical copying.

An 8000-word conference paper is tested for plagiarism.

Grammarly's checker reports no plagiarism for the conference paper, despite it being in the public domain.

Turnitin finds the paper to be a 100% copy, indicating verbatim copying.

Quillbot identifies 91.4% of the paper as identical, close to the expected 100%.

Quillbot and Turnitin have differences in locating sources, with Quillbot focusing on free sources.

The video concludes with a cautionary note on relying solely on Grammarly's plagiarism checker.

Casual Browsing

Quillbot Review: The Best AI Paraphrasing Tool & Plagiarism Checker? | Quillbot Premium Walkthrough

2024-09-08 22:09:00

Build your own GPTZero and Turnitin like App: AI Plagiarism Detector Tool

2024-09-18 01:26:01

How to avoid Plagiarism in Quillbot [With Proof step by step] how to paraphrase to avoid plagiarism

2024-09-09 01:48:00

What is Quillbot | AI Paraphrasing Tool | How to avoid Plagiarism in Quillbot | Rewrite Tool 2023

2024-09-08 23:26:00

101% tested method to Bypass AI detectors || Plagiarism free writing using ChatGPT | No ai detection

2024-09-09 04:50:00

🔥How to Use Turnitin AI Detection Checker For FREE

2024-09-08 17:47:00