Author

Yang Zhang

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Preprint Aug 2026

Every Wrong Answer Counts: Option-Level Psychometrics for LLM Multiple-Choice Benchmarks

Most multiple-choice question (MCQ) benchmarks evaluate Large Language Models (LLMs) only by whether they select the correct answers. This binary scoring treats all incorrect responses alike, even though an LLM's preferences among incorrect options may contain systematic and useful information about its behavior and ab...

Xiao Fei, Yang Zhang, Sarah Almeida Carneiro et al. · 1 citation

#natural language process... Preprint Sep 2026

The Analyst in the Prompt: Role, Retrieval, and Memory Biases in LLM Financial Analysis

This work compares persona-conditioned retrieval, neutral retrieval, and memory-framed context to separate the effect of evidence selection from the effect of interpretation and finds that most user-context spillover comes from how models interpret the same evidence under different roles, rather than from retrieving di...

Ahmed Asaad, Amr Mohamed, Yang Zhang et al. · 0 citations