This paper investigates students' mathematical modeling activity in data-rich modeling tasks. It aims at gaining insight into how students develop meaning when modeling data-rich situations and the mathematical models produced. A tendency to model a particular dataset, rather than the phenomenon that the dataset is a particular instance of, has…

National debate over law enforcement in schools has largely overlooked student reporting of violent threats to school resource officer (SROs). This statewide assessment of Virginia high school students (n = 99,358) found that the majority of Black (64%), Hispanic (72%), White (71%), and other racial/ethnic identity (71%) students agreed the SRO…

Background: Parents' use of physical discipline has generated controversy related to concerns that its use is associated with adjustment problems such as aggression and delinquency in children. However, recent evidence suggests that there are ethnic differences in associations between physical discipline and children's adjustment. This study…