Don,
Sure, identifying where the class as a whole is weaker is a chief purpose of a pretest. A fun variation of the pretest (or just checking for understanding) is the use of "clickers", the electronic equivalent of an audience participation survey. Once the software is installed, and students have received their hand-held clicker, a question is displayed on the screen, and after a preset time, students choose the best selection (a, b, c, d, or e), and the program then displays the results in a graph. All can see the results, and the instructor can discuss each of the… >>>