Diminished Diversity-of-Thought in a Standard Large Language Model
On the map: LLM reasoning → Reasoning benchmarks and evaluation
Abstract (arXiv)
We test whether Large Language Models (LLMs) can be used to simulate human participants in social-science studies. To do this, we run replications of 14 studies from the Many Labs 2 replication project with OpenAI's text-davinci-003 model, colloquially known as GPT3.5. Based on our pre-registered analyses, we find that among the eight studies we could analyse, our GPT sample replicated 37.5% of the original results and 37.5% of the Many Labs 2 results. However, we were unable to analyse the remaining six studies due to an unexpected phenomenon we call the "correct answer" effect. Different runs of GPT3.5 answered nuanced questions probing political orientation, economic preference, judgement, and moral philosophy with zero or near-zero variation in responses: with the supposedly "correct answer." In one exploratory follow-up study, we found that a "correct answer" was robust to changing the demographic details that precede the prompt. In another, we found that most but not all "correct answers" were robust to changing the order of answer choices. One of our most striking findings occurred in our replication of the Moral Foundations Theory survey results, where we found GPT3.5 identifying as a political conservative in 99.6% of the cases, and as a liberal in 99.3% of the cases in the reverse-order condition. However, both self-reported 'GPT conservatives' and 'GPT liberals' showed right-leaning moral foundations. Our results cast doubts on the validity of using LLMs as a general replacement for human participants in the social sciences. Our results also raise concerns that a hypothetical AI-led future may be subject to a diminished diversity-of-thought.
Key facts. Cited by 43 papers in the map (data through 7 Oct 2026). Placed in Reasoning benchmarks and evaluation, one of 17 directions in LLM reasoning. Builds on 9 of its 76 references that are in the map. First posted on arXiv 13 Feb 2023.
Builds on
9 of 76 references.
References · 9
- 2020Language Models are Few-Shot Learnerscited by 32,199
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- 2019Release Strategies and the Social Impacts of Language Modelscited by 505
- 2022Using cognitive psychology to understand GPT-3cited by 389
- 2023The political ideology of conversational AI: Converging evidence on ChatGPT's pro-environmental, left-libertarian orientationcited by 183
- 2022Who is GPT-3? An Exploration of Personality, Values and Demographicscited by 112
- 2021Algorithmic Amplification of Politics on Twittercited by 38
- 2023Differentially Private Natural Language Models: Recent Advances and Future Directionscited by 20
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Citing papers per year: 2023: 4; 2024: 12; 2025: 14; 2026: 13.
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- 2026Distributional Validity of a Korean Synthetic Persona Panel: Evidence From the Korea Media Panel Survey23 Jul 2026
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