arXiv AI By Nicolas Martorell, Bruno Bianchi

Don't Ask: Understanding What Numeric Self-Reports Measure in Language Models

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arXiv AI
Aug 14

Self-Referential Induction Increases Response Instability Relative to Unresolvable and Verifiable Questions in Large Language Models

arXiv:2608. 13258v1 Announce Type: cross Abstract: Self-referential prompting has been shown to reliably induce large language models to produce first-person reports resembling subjective experience, but no prior work measures how consistent these reports are across repeated, independent trials, or how that consistency compares to the model's behavior on other kinds of open-ended questions.

By Paras Balani, Subhrakanta Panda
arXiv AI
3d ago

Change the Number, Change the Answer: Assessing Rating Scale Sensitivity in LLM-Based Text Scoring

The study investigates how different rating scale designs affect scores produced by large language models (LLMs) in text scoring tasks. By varying format, range, and sign across tasks like political leaning, sentiment, and toxicity, the authors find that a single design change can shift normalized scores by about 0.10 and alter the category of roughly 20% of texts. The research highlights that rubric-based prompting does not mitigate this sensitivity and emphasizes the need for robustness checks when using LLMs for scalar scoring.

By Wonjeong Jo, Gyuwan Kim, Ming Shan Hee
arXiv AI
Oct 7

Knowing When Not to Answer: Cross-Domain and Multi-Turn Generalization of Latent Underspecification Signals

The paper presents a new multi‑turn benchmark of 423 conversations with 1,661 labeled turn‑states to study when language models should refrain from answering. It shows that probes for unanswerability transfer well across datasets that share the same underlying signal, but fail to generalise to other forms of epistemic uncertainty. While a calibrated probe can identify underspecified turns more accurately than chance, it does not consistently improve overall generation quality compared to standard methods.

By Jerzy Kami\'nski, Ilya Galyukshev, Artem Kuznetsov, Danil Fedorov, Kirill Redko, Sergey Chuprin, Aidar Shumbalov, Stanislav Chumakov, Anna Kalyuzhnaya
arXiv Machine Learning
Aug 14

A Probe Direction Is a Property of Its Prompt

arXiv:2608. 13329v1 Announce Type: new Abstract: A model that behaves differently when it senses it is being tested would undermine the evaluations we rely on, so recent work has sought to read that sense directly from a model's activations.

By Valentin No\"el