Rubrics or rating scales are widely used nowadays to assess performance tasks. This entry provides a summary of the key aspects of rubrics and their use. It starts by elucidating what rubrics are as well as detailing the different types of rubrics. It also outlines the theoretical and empirical foundations of rubrics as well as offers guidelines on how to design them. The entry concludes by offering practical suggestions for the use of rubrics and their potential to enhance the learning and teaching process.