Hey, thanks for your interest in Knewton.
Our CATs were created by the original designers of the GMAT -- David Kuntz, Len Swanson, and Rob McKinley -- and they accurately reflect your would-be performance on test day.
Please let me know if you have any more questions.
Free GMAT Club tests ($250 value) in addition to any other discounts or coupons when you buy the Knewton Course with KnewtonBest-GMAT-Club discount code.
Use this promo code when you sign up for Knewton: KnewtonBest-GMAT-Club