What does *% mean in Turnitin?

In Turnitin's AI writing detection, *% (an asterisk with a percent sign) means the detected AI writing score is below 20%, indicating less reliable results, with the actual score (0-19%) being too low to display a number, signaling potential but minimal AI use or a human-written paper where the system isn't confident. It's a way to flag low scores to prevent false accusations, prompting reviewers to check highlighted text for context, as even human-written content can sometimes trigger low-percentage AI flags.

Is 7% similarity on Turnitin bad?

There is no set percentage that indicates an acceptable level of similarity in a Turnitin report. Different assessment tasks return different amounts of matching text. Some assessments will include legitimate matches and are no cause for alarm.

Is 20% AI detection bad?

According to Winston AI's interpretation guide: 0–5% AI = Almost certainly human. 5–20% AI = Likely human with minimal AI involvement. 20–50% AI = Mixed; needs human review.

What does the percent on Turnitin mean?

The Similarity Score is the percentage of text in the assignment submitted to Turnitin that matches or is similar to online sources. A score of 0% indicates that no matches have been found whilst a score of, 100% means that all the text is matching.

Is 40% too high on Turnitin?

Yes, 40% is generally considered too high on Turnitin for the main body of your paper, signaling significant overlap that needs revision, though it depends heavily on what constitutes the match (e.g., proper citations vs. unreferenced text) and your specific university's rules, as a score above 25-40% often raises alarms for plagiarism, even if some matches are legitimate quotes or bibliography entries.
 

What is Turnitin?

Is a 22% similarity score bad?

Saying this, having too high a similarity score, while not meaning a student has plagiarised, may mean a student is relying too much on direct quotes or secondary sources. As a guide, somewhere between 15-20% might be considered a good score to aim for.

Can Turnitin detect AI writing?

The overall percentage detected as AI indicates the qualifying text (prose sentences contained in a long-form writing format) within the submitted document that Turnitin's AI writing detection model determines could be generated by AI or could be generated by AI and could be further modified using an AI paraphrase tool ...

Why is my Turnitin score so high when I didn't plagiarize?

A high Turnitin score doesn't always mean plagiarism, and your instructor knows that. Many times, totally benign content can be flagged, needing only the expert review of your instructor to be dismissed.

Can Turnitin detect paraphrasing?

We now detect likely AI -generated text even if it may have been paraphrased using an AI word spinner. Our AI paraphrasing detection is incorporated into our AI writing detection capability and does not require any change to your settings.

How do students avoid Turnitin flags?

Break the rhythm: Vary sentence length and structure. Mix short, punchy sentences with longer, complex ones to create a natural flow. AI detectors often flag overly uniform sentence patterns.

Is ZeroGPT similar to Turnitin?

Yes, GPTZero is similar to Turnitin in that both detect AI-generated text using similar methods like analyzing perplexity and burstiness, but they differ in integration, pricing, and features, with Turnitin being institution-focused and GPTZero offering more accessibility and tools like a free tier and browser extensions. While they often catch similar patterns, their results can vary, and neither is perfect, requiring human judgment. 

Why do 95% of AI projects fail?

Projects often emphasize flashy use cases rather than investing in fundamentals like observability, validation, and integration. Garbage in, garbage out. Weak data quality and rigid processes can derail AI initiatives long before model performance comes into play.

Is 25% on Turnitin ok?

Turnitin may highlight these correctly cited passages. For the report to be useful, you have to check what is highlighted. Too high? A score above 25% could indicate plagiarism, or it might just mean that the assignment has a long bibliography and a number of direct quotes.

What is an unacceptable Turnitin score?

This. Avoid setting blanket statements on % similarity. You can have no plagiarism and 35% similarity and evidence of plagiarism with 2% similarity. My general rule is “no more than half of a sentence flagged as 'too similar' to another source”.

Why does it say I plagiarized when I didn't?

Missing or incorrect citations. Sometimes, students ask the question: “Why does it say I plagiarized when I didn't?” Forgetting to cite a source, misformatting citations (e.g., APA vs. MLA), or omitting quotation marks for direct quotes leads to plagiarism issues.

Is 10% similarity ok?

For example, a similarity score of 10% may be an insignificant proportion of small, matched text, but it may present cause for concern if that match is contained within a Page 4 4 single section (i.e. 10% in the conclusion section of a short essay).

Is Grammarly picked up by Turnitin?

FAQ's. If students use Grammarly for grammar checks, does Turnitin detect it and flag it as AI? No. Our detector is not tuned to target Grammarly-generated spelling, grammar, and punctuation modifications to content but rather, other AI content written by LLMs such as GPT-3.5.

What does asterisk mean in Turnitin?

Scores below 20% are no longer surfaced

Low percentage scores in the 1% to 19% range will be marked with an asterisk (*%): it is considered as false positives (incorrectly flagging human-written text as AI-generated).

What percent of AI is acceptable?

Most institutions that provide specific guidance recommend keeping AI-generated content under 20-30% of your total paper. This threshold typically applies to mechanical improvements, things like grammar correction, sentence restructuring, and formatting consistency.

How to get a 0% on Turnitin?

A 0% score is more common in shorter papers (1-2 pages) and creative writing assignments where students are using their own words/voice. There are also some assignment settings that may have been enabled that will result in a lower Similarity score. You can find more information on these settings in this guide.

Is Turnitin better than Grammarly?

Overall, Turnitin is more accurate than Grammarly. It even points to minor plagiarized sentences throughout the content.

Is it acceptable to get a high Turnitin score if only quotes are used?

If the words of others are in quotations and properly cited and the ideas of others, when paraphrased, are properly cited, it's not plagiarism. Your professors know that. However, a "cut-and-paste" paper made largely of quotations with little original work may earn a low grade for that reason.

Does ChatGPT show up on Turnitin?

Yes, Turnitin can detect ChatGPT, but its accuracy isn't perfect; it uses AI to identify patterns common in machine-generated text, flagging high probabilities of AI use, though it can produce false positives, especially with well-edited or complex academic writing. Turnitin analyzes writing style, sentence structure, and vocabulary, but the detection isn't always consistent, so instructors often use the report as a guide rather than definitive proof. 

Can Turnitin be fooled by rewriting?

It can sometimes mistakenly flag unique content as paraphrased or plagiarized. This is where tools like Undetectable.ai come into play. They can effectively bypass challenges posed by Turnitin AI Detection, regardless of complexity levels, by rewriting text while maintaining its meaning.

Can paraphrasing by ChatGPT be detected?

Paraphrasing ChatGPT can make the wording look different, but AI detectors can still recognize the writing because the deeper patterns stay the same. Even if a sentence changes, the overall structure, pacing, and style often reveal that the text originally came from an AI model.