We examined the use and effectiveness of an incentive system--one of the five elements of a theory-based motivational architecture in educational games that we proposed--in a computer-based physics game on students' learning and performance. The incentive system's purpose was to motivate students to access learning supports designed to facilitate…

A traditional mode of Earth Science instruction in public day high schools for students with severe emotional behavioral disorders (EBD) is teacher-delivered lectures supported with paper-based laboratory exercises. These laboratory experiences are often presented through worksheet problems that students are asked to solve and return to the…