Kuongorora uku, kwakagadzirirwa nekomiti inotungamirirwa nePrinceton psychologist Carl Campbell Brigham, yaive nezvikamu zvezvinoreva, arithmetic, classification, artificial language, antonyms, number series, analogies, logical inference, uye ndima kuverenga. Yakapiwa kune vadzidzi vanopfuura zviuru zvisere munzvimbo dzinopfuura mazana matatu ekuongorora. Varume vakaumbwa ne60% yevanoongorora. Vanopfuura chikamu chimwe muzvina chevarume nevakadzi vakashandisa kuYale University neSmith College. Kuongorora kwacho kwaive nekukurumidza, vanoongorora vanopihwa maminetsi anopfuura makumi mapfumbamwe chete kuti vapindure mibvunzo makumi matatu nemashanu.
Carl Campbell Brigham