B
-- and I use it for t-, uh, data analysis on testing, so.
A
Uh, to see how well they retain the vocabulary and things like that.
B
Well, just, actually, just, uh, item analysis, statistical analysis of the tests, uh.
A
Uh-huh.
B
You know, when you write a test you have to look at some data from it and see how the different questions are performing --
A
Uh-huh.