<p>Its the Bloom Taxonomy. Know - Comprehend - Apply - Analyse - Synthesise - Evaluate.
Evaluating requires a much deeper level of understanding and mastery of the material. </p>
<p>With justifying, we have never really had a problem with that. The rubrics are straight forward and clear. Presentations either fit one cell of the rubric or they dont. That is, very rarely can you say that a presentation could be evaluated as a 5/5 in one aspect or a 3/5 in another. in the end the totals are very close to each other. When students are evaluating, and their own grade is on the line, they are more objective.</p>