The critical thinking component should not be overlooked in the classroom, and this is where both Bloom's taxonomy and the DOK can be useful tools for preparing the lesson and evaluating the achievements of students. Bloom's taxonomy is, without a doubt, the more widely used of the two, but it leaves something to be desired with respect to achieving the goal of completion to mastery. The downside of Bloom's taxonomy is the longevity of navigation through levels, if taken literally (Wirth & Perkins,