This is the last installment of an FAQ series on Computer-Adaptive Tests (CAT). Check out part 1 and part 2 as well. How can my overall percentile be higher than [...]

This is a follow to my last piece, CAT FAQ: Beginner . 1. My score doesn’t seem to match my performance: I only got a few questions wrong, but my [...]

I've received a number of inquiries from the community about the GMAT algorithm, so I thought it best to reply in article form. 1. What's an algorithm? An algorithm, generally, [...]

We’ve received grades all our lives. In fact, we’re so used to them that we often don’t think very much about what they mean, or how they are calculated. So today we’re [...]

This is the first in a series of common student questions that I'll be answering here on BTG. This is one we hear a lot -- I just had a [...]