Education data are growing in quantity, quality, and value. When appropriately used to guide action, data can be a powerful tool for improving school operations, teaching, and learning. Education stakeholders who possess the knowledge, skills, and abilities to appropriately access, analyze, and interpret data will be able to use data to take…

Describes research in two different domains: novices learning programing, and school pupils interpreting Cartesian graphs. Findings in each domain are discussed, but the main focus is an examination of the extent to which general principles and issues apply across both domains. Research implications for instructional design are discussed.…