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AI
You rated this: ★4
Interactive Study

Can you tell AI writing from human?

In our blind study, AI-generated Harry Potter fan fiction was rated 20% higher than human-written stories. Test your skills in our magical library!

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Sort the Stories

Read each story and decide: Human or AI?

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Rate & Reveal

Rate stories, then watch the dramatic reveal!

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+20%
AI rated higher
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95%
Classifier accuracy
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36
Stories tested

Sort the Stories

Read each story excerpt and decide: was it written by a human or generated by AI?

Story Sorter
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Sorted
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🪶 Ready to Sort?

Read each story and click Human or AI to make your choice

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Sorting Complete!
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stories sorted correctly
Your accuracy0%
Our AI classifier95%

Rate & Reveal

Rate each story's quality from 1-5 stars. After each rating, watch the dramatic reveal!

Story Critic
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Story
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Total
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Become a Story Critic

Rate each story's quality. After each rating, we'll dramatically reveal if it was Human or AI!

Study Findings

Our blind evaluation with 3 expert raters revealed AI consistently outperformed human writers.

+2.21
AI scored higher on average
d = 1.10
Large effect size
p = .005
Statistically significant
α = .80
Inter-rater reliability