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VIDEO DOI: https://doi.org/10.48448/pnha-yp84

poster

ACL 2024

August 14, 2024

Bangkok, Thailand

Small Language Models Need Strong Verifiers to Self-Correct Reasoning

keywords:

self-correction

language model

reasoning

Self-correction has emerged as a promising solution to boost the reasoning performance of large language models (LLMs), where LLMs refine their solutions using self-generated critiques that pinpoint the errors. This work explores whether small ($\leq 13$B) language models (LMs) have the ability of self-correction on reasoning tasks with minimal inputs from stronger LMs. We propose a novel pipeline that prompts smaller LMs to collect self-correction data that supports the training of self-refinement abilities. First, we leverage correct solutions to guide the model in critiquing their incorrect responses. Second, the generated critiques, after filtering, are used for supervised fine-tuning of the self-correcting reasoner through solution refinement. Our experimental results show improved self-correction abilities of two models on five datasets spanning math and commonsense reasoning, with notable performance gains when paired with a strong GPT-4-based verifier, though limitations are identified when using a weak self-verifier for determining when to correct.

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Next from ACL 2024

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+1Minsoo Kim
Minsoo Kim and 3 other authors

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