Naglieri Nonverbal Ability Test

The Naglieri Nonverbal Ability Test (NNAT) is a nonverbal measure of general ability designed by Jack A. Naglieri and published by Pearson Education. The Naglieri Nonverbal Ability Test - Individual Form was first published in 1998.

Source: Wikipedia — Naglieri Nonverbal Ability Test (CC BY-SA 4.0)