A. M. Bakken

"Act Like a 5th Grader"is Not Enough: Bounding Knowledge in LLM-Based User Simulators

The Cognitively Bounded User Simulator (CBUS) is introduced, an architectural framework that explicitly models the restricted working memory of young readers through an episodic bottleneck and shows that enforcing architectural constraints is more effective for high-fidelity simulation than simply scaling raw model capabilities.