3 papers
physics.ed-ph2026
Detective scaffolding for within-session reasoning development: a three-phase framework evaluated in polymer engineering and pre-university outreach
Haolin Feng, Holly Barrett, Xinru Deng +2
This paper presents a detective scaffolding framework -- a three-phase instructional sequence (Hypothesis Activation -> Evidence Structuring -> Causal Integration) in which enginee…
cs.CY2026
Two-Phase Simulated Annealing for Equitable Team Formation: Eliminating Complaints in Large Engineering Cohorts
Yiwei Sun, Xinru Deng, Dimitrios G Papageorgiou
Contribution: This paper presents a novel two-phase algorithmic approach that decouples preference satisfaction from fairness optimization in student team formation, achieving both…
econ.EM2025
Externally Valid Selection of Experimental Sites via the k-Median Problem
José Luis Montiel Olea, Brenda Prallon, Chen Qiu +2
We present a decision-theoretic justification for viewing the question of how to best choose where to experiment in order to optimize external validity as a -median problem, a p…