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Faithful Chain-of-Thought Reasoning
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abstract
While Chain-of-Thought (CoT) prompting boosts Language Models' (LM) performance on a gamut of complex reasoning tasks, the generated reasoning chain does not necessarily reflect how the model arrives at the answer (aka. faithfulness). We propose Faithful CoT, a reasoning framework involving two stages: Translation (Natural Language query $\rightarrow$ symbolic reasoning chain) and Problem Solving (reasoning chain $\rightarrow$ answer), using an LM and a deterministic solver respectively. This guarantees that the reasoning chain provides a faithful explanation of the final answer. Aside from interpretability, Faithful CoT also improves empirical performance: it outperforms standard CoT on 9 of 10 benchmarks from 4 diverse domains, with a relative accuracy gain of 6.3% on Math Word Problems (MWP), 3.4% on Planning, 5.5% on Multi-hop Question Answering (QA), and 21.4% on Relational Inference. Furthermore, with GPT-4 and Codex, it sets the new state-of-the-art few-shot performance on 7 datasets (with 95.0+ accuracy on 6 of them), showing a strong synergy between faithfulness and accuracy.
Forward citations
Cited by 5 Pith papers
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Constraint-Anchored Reasoning Traces
CART interleaves language-model reasoning with verifiable symbolic anchors and backtracking, reducing error snowballing in open-source MLLMs.
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Direct Behavior Optimization: Unlocking the Potential of Lightweight LLMs
A gradient-free Monte Carlo tree search over JSON key-step plans produces few-shot demonstrations that let LLaMA3-8B and LLaMA3.2-3B outperform GPT-3.5 on most of seven BIG-Bench Hard tasks.
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Mechanistic Evidence for Faithfulness Decay in Chain-of-Thought Reasoning
Introduces NLDD, a step-level CoT faithfulness metric, and claims a consistent 'reasoning horizon' at 70-85% of chain length; the claim is unsupported by the paper's own reported data.
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Investigating the Effects of Cognitive Biases in Prompts on Large Language Model Outputs
Injecting explicit suggestions or biased recollections into prompts reduces LLM accuracy on multiple-choice QA tasks, and attention weights shift toward the suggested answer.
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Thinking About Thinking: SAGE-nano's Inverse Reasoning for Self-Aware Language Models
A 4B-parameter model is claimed to explain its own reasoning through inverse attention analysis, but the paper offers no consistent evidence or artifacts.
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