Evaluate and revise             Finally, the lesson and support materials should be evaluated with emphasis on how the lesson looks and works.  You will determine how well the lesson looks by using it yourself and having other people with design experience go through it.  We call this procedure lesson review.  You will assess how well the lesson works by observing the results of real students studying the lesson and assessing how much they learn.  These students should be representative of those for whom the lesson is intended.  This step includes both pilot testing and validation.