Any one of a number of tests
that measure your ability to select the correct answer from a series of options multiple choice true/false
matching. Your results are then compared to a sample population
and you are told how you compare.
There is a growing movement in the educational community towards free response or essay questions. There is a belief that these evaluations are a better measure of competance.
However, since essay tests are difficult to evaluate and time consuming when administered nationally, the ScanTron appears to be a permanent resident of American education.