A group of researchers covertly ran a months-long "unauthorized" experiment in one of Reddit’s most popular communities using AI-generated comments to test the persuasiveness of large language models. The experiment, which was revealed over the weekend by moderators of r/changemyview, is described by Reddit mods as “psychological manipulation” of unsuspecting users.
“The CMV Mod Team needs to inform the CMV community about an unauthorized experiment conducted by researchers from the University of Zurich on CMV users,” the subreddit’s moderators wrote in a lengthy post notifying Redditors about the research. “This experiment deployed AI-generated comments to study how AI could be used to change views.”
The researchers used LLMs to create comments in response to posts on r/changemyview, a subreddit where Reddit users post (often controversial or provocative) opinions and request debate from other users. The community has 3.8 million members and often ends up on the front page of Reddit. According to the subreddit’s moderators, the AI took on numerous different identities in comments during the course of the experiment, including a sexual assault survivor, a trauma counselor “specializing in abuse,” and a “Black man opposed to Black Lives Matter.” Many of the original comments have since been deleted, but some can still be viewed in an archive created by 404 Media.
In a draft of their paper, the unnamed researchers describe how they not only used AI to generate responses, but attempted to personalize its replies based on information gleaned from the original poster’s prior Reddit history. “In addition to the post’s content, LLMs were provided with personal attributes of the OP (gender, age, ethnicity, location, and political orientation), as inferred from their posting history using another LLM,” they write.
The r/chnagemyview moderators note that the researchers’ violated multiple subreddit rules, including a policy requiring the disclosure when AI is used to generate comment and a rule prohibiting bots. They say they filed an official complaint with the University of Zurich and have requested the researchers withhold publication of their paper.
The researchers didn’t respond to an email from Engadget. In posts on Reddit and in a draft of their paper, though, they say their research was approved by a university ethics committee and that their work could help online communities like Reddit protect users from more “malicious” uses of AI.
“We acknowledge the moderators’ position that this study was an unwelcome intrusion in your community, and we understand that some of you may feel uncomfortable that this experiment was conducted without prior consent,” the researchers wrote in a comment responding to the r/changemyview mods. “We believe the potential benefits of this research substantially outweigh its risks. Our controlled, low-risk study provided valuable insight into the real-world persuasive capabilities of LLMs—capabilities that are already easily accessible to anyone and that malicious actors could already exploit at scale for far more dangerous reasons (e.g., manipulating elections or inciting hateful speech).”
The mods for r/changemyview dispute that the research was necessary or novel, noting that OpenAI researchers have conducted experiments using data from r/changemyview “without experimenting on non-consenting human subjects.” Reddit didn’t respond to a request for comment, though the accounts that posted the AI-generated comments have been suspended.
“People do not come here to discuss their views with AI or to be experimented upon,” the moderators wrote. “People who visit our sub deserve a space free from this type of intrusion.”
This article originally appeared on Engadget at https://www.engadget.com/ai/researchers-secretly-experimented-on-reddit-users-with-ai-generated-comments-194328026.html?src=rss https://www.engadget.com/ai/researchers-secretly-experimented-on-reddit-users-with-ai-generated-comments-194328026.html?src=rssAutentifică-te pentru a adăuga comentarii
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