If you have never heard of the Myers-Briggs Analysis then you are in for a treat. I have just completed mine again (I can’t remember the last time I did it) and the results are very interesting. I am shocked at the accuracy and depth of insight that it gives. Go to this page to get started http://polyhswasc.weebly.com/myers-briggs.html . Click on the image below to take a free test yourself (72 quick questions). It might also be useful to try with your students.