How to Check If Your Essay Has Been Flagged as AI-Generated

With the rise of AI writing tools, universities have increasingly adopted AI detection software. If you’ve written your essay yourself but are worried it might trigger a false positive, here’s what you need to know.

How AI Detection Tools Work

AI detectors like Turnitin’s AI writing indicator, GPTZero, and Originality.ai analyse your text for patterns typical of AI-generated content. They look for:

• Perplexity — how predictable your word choices are. AI tends to pick the most statistically likely next word, making text “smooth” in a way human writing often isn’t.
• Burstiness — variation in sentence length and complexity. Humans naturally mix short punchy sentences with longer, complex ones. AI output tends to be more uniform.
• Vocabulary patterns — AI models have favourite phrases (“it’s important to note,” “in today’s rapidly evolving world”) that detectors flag.

Why False Positives Happen

AI detectors are not perfect. Research has shown false positive rates between 1% and 9% depending on the tool. You’re more likely to be flagged if:

• You write in a very formal, structured style
• English is your second language (ESL writers often produce more “predictable” text)
• You’ve heavily edited or polished your draft
• Your topic is well-covered online (the AI was trained on similar content)

Steps to Protect Yourself

1. Keep Your Drafts

Save every version of your essay — notes, outlines, rough drafts, and revision history. Google Docs version history or Word’s Track Changes feature creates an automatic paper trail showing your writing process.

2. Write in Your Own Voice

AI-generated text is generic by nature. Include personal observations, specific examples from your lectures or readings, and opinions that reflect your unique perspective. Markers notice when writing feels lived-in versus manufactured.

3. Run Your Own Check

Before submitting, you can run your essay through free AI detection tools:

• GPTZero (gptzero.me) — widely used, offers free checks
• Writer AI Content Detector — quick and simple
• Originality.ai — paid but thorough

If your essay scores high on AI probability, review the flagged sections and add more personal voice, specific examples, or varied sentence structures.

4. Cite Your Sources Properly

One of the strongest signals that work is genuinely yours is proper citation. When you reference specific studies, quote real authors, and build arguments on established literature, it demonstrates engagement with the material that AI tools struggle to replicate convincingly.

This is where tools like RefFinder can help — it scans your essay for passages that need citations and finds the original sources, so your references are accurate and complete.

5. Talk to Your Lecturer

If you’re genuinely concerned, many lecturers appreciate proactive communication. Some universities now allow students to submit a brief statement confirming the work is their own, along with evidence of their writing process.

The Bottom Line

AI detection is an imperfect science. The best defence is simple: write authentically, keep your drafts, cite your sources, and don’t panic. Most detection tools are used as a starting point for investigation, not as definitive proof.

If you need help finding and formatting citations for your essay, create a free RefFinder account and let AI do the tedious reference-hunting for you — so you can focus on the writing itself.