SelfCheck: Using LLMs to Zero-Shot Check Their Own Step-by-Step Reasoning

NingMiao, Yee Whye Teh, Tom Rainforth

SelfCheck: Using LLMs to Zero-Shot Check Their Own Step-by-Step Reasoning: 24 upvotes on Hugging Face Daily Papers, #2 of 5 papers on 2023-08-02. Day-by-day upvote history.

The recent progress in large language models (LLMs), especially the invention of chain-of-thoughts (CoT) prompting, makes it possible to solve reasoning problems. However, even the strongest LLMs are still struggling with more complicated problems that require non-linear thinking and multi-step reasoning. In this work, we explore whether LLMs have the ability to recognize their own errors, without resorting to external resources. In particular, we investigate whether they can be used to identify individual errors within a step-by-step reasoning. To this end, we propose a zero-shot verification scheme to recognize such errors. We then use this verification scheme to improve question-answering performance, by using it to perform weighted voting on different generated answers. We test the method on three math datasets-GSM8K, MathQA, and MATH-and find that it successfully recognizes errors and, in turn, increases final predictive performance.

Paper page on Hugging Face · arXiv

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