topic

systematic reviews

Narrative intelligence for systematic reviews: 1 tracked articles, claims, and spin patterns across AI and technology coverage.

SPIN Processed News Frame: The Fog

Class Imbalance and Batch Effects in LLM-Based Screening for Systematic Reviews

A new arXiv preprint examines how large language models behave in imbalanced binary classification tasks—specifically, screening studies for systematic reviews—and finds that batch processing (vs. individual item processing) induces significant, prevalence-dependent behavioral shifts in model decisions, while prevalence metadata shows no measurable performance benefit.

Spin 35% Claim Present in Source AI Risk Moderate

arXiv Computation and Language

Aug 18, 2026

Related Claims

01 Batch processing produced larger behavioral changes that varied according to the prevalence of the class.

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