out three strengths and one "next step" for future improvement. Written feedback in particular can involve a certain amount of "markup" on the student's work, with errors underlined or circled and corrections inserted or noted in the margins.

Feedback can also be recorded as a score, such as a percentage, a letter grade, or an achievement level defined by a specific reference. Grades can be based on the teacher's overall impression of the work, but assessment based on explicit criteria