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Study of 8k Posts Suggests 40+% of Facebook Posts are AI-Generated
(originality.ai)
This is a most excellent place for technology news and articles.
Every study uses sampling. They don't have the resources to check everything. I have to imagine it took a lot of work to verify conclusively whether something was or was not generated. It's a much larger sample size than a lot of studies.
The study is by a company that creates software to detect AI content, so it's literally their whole job
(it also means there's a conflict of interest, since they want to show how much content their detector can detect)
It's an extremely small proportion of the total number of Facebook posts though. Nowhere near enough for statistical significance.
The proportion of the total population size is almost irrelevant when you use random sampling. It doesn't rely on examining a large portion of the population, but rather that it becomes increasingly unlikely for the sample set to deviate dramatically from the population size as the number of samples rises. This is a function of the number of samples you take, decoupled from the population size.
https://en.wikipedia.org/wiki/Sampling_(statistics)
Usually if you see a major poll in a population, it'll be something like 1k to 2k people who get polled, regardless of the population size.