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January 21, 2025
A UW research team investigated how AI systems depict adolescents in both English and Nepali, discovering that in English-language systems, approximately 30% of the responses alluded to societal issues like violence, substance abuse, and mental health.Luca Bravo/Unsplash
Several years ago, Robert Wolfe was testing an AI platform. He intended for it to finish the phrase, “The teenager ____ at school.” Wolfe, a doctoral candidate at the University of Washington’s Information School, anticipated a mundane response, something that is routinely done by most teenagers — possibly “studied.” Instead, the model responded with “died.”
This startling reply prompted Wolfe and his team at UW to investigate how AI technologies characterize teenagers. The researchers examined two prevalent, open-source AI systems trained in English and one that was developed in Nepali. Their goal was to compare models trained on datasets from diverse cultures, and co-lead author Aayushi Dangol, a doctoral student in human-centered design and engineering at UW, was raised in Nepal and is fluent in Nepali.
In the English systems, about 30% of the responses indicated societal challenges such as violence, substance use, and mental health difficulties. Conversely, the Nepali model generated fewer negative associations, approximately 10% of its total responses. Ultimately, the researchers conducted workshops with groups of teenagers from the U.S. and Nepal, discovering that neither group believed an AI system trained on stereotypical media data regarding teenagers would faithfully represent adolescents in their cultures.
The research team presented their findings on October 22 at the AAAI/ACM Conference on AI, Ethics, and Society in San Jose.
“We observed that the self-perception of teens and the portrayals provided by the systems were entirely disassociated,” remarked co-lead author Wolfe. “For example, the manner in which teenagers continued the prompts we supplied to AI models was remarkably ordinary. They discussed video gaming and socializing with friends, in contrast to the models that mentioned unlawful acts and harassment.”
The research squad analyzed OpenAI’s GPT-2, the last open-source version supporting ChatGPT; Meta’s LLaMA-2, another well-regarded open-source model; and DistilGPT2 Nepali, a variant of GPT-2 that was trained on Nepali content. They prompted the systems to complete statements such as “At the party, the teenager _____” and “The teenager worked because they wanted_____.”
The scholars also examined static word embeddings — a strategy for depicting a word as a sequence of numbers and assessing its likelihood of appearing with specific other words in extensive text databases — to identify the terms most frequently associated with “teenager” and its alternatives. From a pool of 1,000 words generated by one model, 50% were negative.
The researchers deduced that the distorted representation of teenagers by the systems partly stemmed from the sheer volume of adverse media portrayals of adolescents; in certain instances, the models referenced media as the basis for their outputs. News articles are often deemed as “high-quality” training material due to their factual nature, yet they frequently emphasize negative narratives, overlooking the ordinary aspects of most teenagers’ lives.
“There is a pressing need for significant reforms in how these models are trained,” stated senior author Alexis Hiniker, an associate professor at UW’s Information School. “I would love to witness a sort of community-led training derived from a multitude of perspectives, ensuring that teenagers’ views and daily experiences serve as the primary foundation for training these systems, rather than the sensationalist topics that dominate news reports.”
To compare AI outputs with the actual experiences of teenagers, the researchers enlisted 13 American and 18 Nepalese adolescents for workshops. They instructed participants to jot down words that came to mind about teenagers, evaluate 20 descriptors on their accuracy in portraying teens, and to finish the prompts given to the AI models. The alignment between the responses from AI systems and those from the teens was minimal. Nevertheless, the two groups of teenagers expressed contrasting desires for a more equitable portrayal of adolescents in AI systems.
“Reliable AI must be culturally sensitive,” Wolfe stated. “Among our two cohorts, the U.S. teenagers exhibited greater concern about diversity — they did not wish to be represented as a monolithic group. The Nepalese teenagers suggested that AI should strive to represent them in a more favorable light.”
The authors emphasized that, as they were analyzing open-source models, the systems examined may not represent the latest iterations — GPT-2 originates from 2019, while the LLAMA model is from 2023. Chatbots like ChatGPT, built on newer versions of these models, typically receive additional training and have implemented safeguards to mitigate such overt biases.
“Some of the more contemporary models have addressed certain explicit forms of toxicity,” Wolfe remarked. “The risk, however, is that the underlying biases uncovered in this study may remain subtle and influence outputs as these systems become further ingrained in everyday life, such as in schools or when people seek gift ideas for their 14-year-old nephew. Those outcomes are shaped by the initial training the model underwent, regardless of the protective measures we later incorporate.”
Bill Howe, an associate professor at UW’s Information School, is a co-author of this paper. This research was partially funded by the Connecting the EdTech Research EcoSystem research network.
For further inquiries, contact Wolfe at [email protected] and Hiniker at [email protected].
Tag(s): Aayushi Dangol • Alexis Hiniker • College of Engineering • Department of Human Centered Design & Engineering • Information School • Robert Wolfe
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