Data visualization is the term used to describe the methods and technologies used to allow the exploration and communication of quantitative information graphically. Data visualization is a rapidly growing and evolving discipline, and visualizations are widely used to cover politics. Yet, while popular and scholarly publications widely use…

Political bias in the academy is a topic of great controversy. Many conservatives have argued that liberals dominate American campuses and use their classrooms to indoctrinate students or to discriminate against those with differing political beliefs. Liberals have responded by calling studies that purport to demonstrate these claims as flawed or…

Grades matter. College grading systems, however, are often ad hoc and prone to mistakes. This essay focuses on one factor that contributes to high-quality grading systems: grading accuracy (or "efficiency"). I proceed in several steps. First, I discuss the elements of "efficient" (i.e., accurate) grading. Next, I present analytical results…