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Alexandre Cristovão Maiorano

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#artificial intelligence Preprint Jul 2026

Do Synthetic Personas Predict Real Audience Response? A Sim-to-Real Study Where a No-Persona Baseline Beats Persona-Based Copy Simulation

For predicting aggregate engagement, a plain LLM ranker beats persona simulation - synthetic personas are not merely a weak predictor, they are worse than not using them.

Alexandre Cristovão Maiorano · 0 citations