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Feb 2Liked by Sean Trott

Thanks for the interesting post. Just FYI...The link for "you can find a GitHub with Jupyter notebooks (and the data) available here", which appears early in the post, didn't work for me. But much later, the link for "as always, interested readers can explore other options" does work.

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Thanks for this! Random but related note to your last thought on using LLMs to modify readability: I did some testing on that last summer by prompting GPT-4 to rewrite an AI-generated piece of text to a 9th grade reading level, and then looking at the Flesch-Kincaid grade level (+ a bunch of other readability metrics) of the rewritten text. A few interesting findings, but the biggest one was how much the grade level of the original text impacted the grade level of the rewritten text -- essentially, GPT-4 was targeting the grade level in relative, rather than absolute, terms. My original texts were in five buckets based on the tone I had told it to target, and their average Flesch grade levels ranged from 9.19 for the "caring and supportive" tone bucket to 15.8 for the "sophisticated" bucket. For the latter bucket, the average score of the *rewritten* text (again, having told GPT-4 to rewrite it at a 9th grade level) was 13.6. For the former, it was 7.4. (In both cases, n=24)

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