Out of One, Many: Using Language Models to Simulate Human Samples
Written for the Research library (claude-opus-5-5) from the paper text. Original — arxiv.org/pdf/2209.06899
Summary
Social scientists usually treat bias in large language models as one flaw to remove. Argyle and colleagues argue that GPT-3 holds many group-specific biases, and that these can be used on purpose. If you condition the model on a detailed demographic profile, it should answer the way people with that background tend to answer. The authors call this property algorithmic fidelity and propose four tests for it: a social-science Turing test, backward continuity, forward continuity and pattern correspondence. To check it, they wrote first-person backstories from real participants in the 2012, 2016 and 2020 American National Election Studies (ANES) and in the "Pigeonholing Partisans" dataset. Each backstory produced one simulated respondent, and together these form a "silicon sample." Three studies compared these samples with the human data: free-text words describing the opposing party, vote choice, and associations among answers to closed-ended survey questions. In each study, the simulated responses reproduced the human patterns closely and in detail. The authors conclude that a well-conditioned model could be a cheap way to test hypotheses in U.S. politics before running costly surveys with real people.
Key points
- Main contributions: a definition of algorithmic fidelity with four criteria, "silicon sampling" to correct skewed marginal statistics in the training data, and conditioning on first-person demographic backstories.
- The model is GPT-3 (175 billion parameters), accessed through the paid OpenAI API. The human baselines are ANES 2012/2016/2020 and Rothschild et al.'s "Pigeonholing Partisans" data.
- Study 3 compared associations between variables (Cramer's V) in the human and GPT-3 data. At temperature 0.7 the mean error was about −0.026 (N = 1,782). At 0.001 the model labelled every respondent as White, and the errors were larger and overstated the associations.
- The final runs cost little: about $29 for Study 1 (one query per participant), $75 for Study 2 (15,626 queries) and about $1,428 for Study 3 (12 experiments of roughly $119 each).
- The authors caution that a model cannot reproduce a specific individual. Fidelity shows up only in the distribution of answers for a demographic group, and it must be checked separately for each domain.
Cited by
- AlpacaFarm: A Simulation Framework for Methods that Learn from Human Feedback
- From Pretraining Data to Language Models to Downstream Tasks: Tracking the Trails of Political Biases Leading to Unfair NLP Models
- ChatGPT Outperforms Crowd-Workers for Text-Annotation Tasks
- Challenges and Applications of Large Language Models
- Whose Opinions Do Language Models Reflect?
- A Roadmap to Pluralistic Alignment
- Can Large Language Models Transform Computational Social Science?
Cite
@misc{argyle2022out,
title = {{Out of One, Many: Using Language Models to Simulate Human Samples}},
author = {Argyle, Lisa P. and Busby, Ethan C. and Fulda, Nancy and Gubler, Joshua and Rytting, Christopher and Wingate, David},
year = {2022},
doi = {10.1017/pan.2023.2},
eprint = {2209.06899},
archivePrefix = {arXiv},
url = {https://doi.org/10.1017/pan.2023.2}
}References
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