and then i can take a look at all these different items over here to give me more information to try to decide "was it a valid question?" "do i need to examine the content that the students learned the question from?" "do i need to look at the question and rewrite it?" so all of these different levels of data and data analysis are available to our teachers that really aren't available to a teacher in a brick and mortar, unless they have a have a program like this that is doing the math for them.