More than 60% of U.S. school children are being educated in states in which Next Generation Science Standards or other framework-derived standards have been adopted. This vision demands a central role for students to engage in science and engineering practices to build and use science ideas, rather than solely learning about the science others…

Peer assessment can expand the cognitive schemas of students, facilitate knowledge construction, and promote discussion and cooperative learning among students and their peers. In recent years, the application of the internet to conduct peer assessment activities has been widely implemented. The advantages of networked peer assessments over…