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Introduction to depth of knowledge

Webb's Depth of Knowledge (DOK) provides a vocabulary and a frame of reference when thinking about students and how they engage with the content. DOK offers a common language to understand "rigor," or cognitive demand, in assessments, as well as curricular units, lessons, and tasks. Webb developed four DOK levels that grow in cognitive complexity and provide educators a lens on creating more cognitively engaging and challenging tasks.

In this 50-minute activity, participants will:

  • Gain a better understanding of what constitutes rigorous questions by exploring Norman Webb's Depth of Knowledge (DOK) levels and Karin Hess' Cognitive Rigor Matrix
  • Practice using the Cognitive Rigor Matrix to evaluate and adjust the rigor of particular questions

Included Resources

This video provides an overview of Webb's Depth of Knowledge and walks viewers through the progression of a task across the four DOK levels.