In the final miles of a half or full marathon, the pace that once felt manageable may start slipping away—first by a few seconds per mile, then a few more. That leaves exercise scientists with a more ...

Abstract: To address the limitation that existing control strategies for multi-train system can only achieve asymptotic stability under the disturbance, and that the tracking errors remain relatively ...

Cellphone bans in schools have become a popular policy in recent years in the United States, yet very little is known about their effects on student outcomes. In this study, we try to fill this gap by ...

Abstract: This study seeks to develop a data-driven output-feedback homotopic policy iteration for assuring optimal performance of linear unknown continuous-time systems. Conventional policy iteration ...

We analyze admissions and transcript records for students at multiple Ivy-Plus colleges to study the relationship between standardized (SAT/ACT) test scores, high school GPA, and first-year college ...

The relationship between instructional time—the cumulative hours of formal teaching—and student achievement has been a cornerstone of education research for decades. Scholars have charted both ...