Depth of knowledge is an academic concept that measures the cognitive demand of grade level expectations and assessments. The depth of knowledge of an instructional objective is designated by the following:
Webb's D.O.K. Levels designate how deeply and extensively grade level expectations and assessments expect students to transfer, use, and share their learning.
Webb's D.O.K.. levels can be used for a variety of purposes in education including alignment students, lesson planning, and classroom instruction and assessment.