"[A]pproximately 90 percent of the adult population is form dominant, color-dominant persons have been referred to as deviates. One of the most widely-held theories... states that since color is a primitive response, the adult color-dominant personality tends to be impulsive, immature, egocentric, and less intelligent... Other theories attribute greater creativity and flexibility to the color-dominant... [I]t is questionable how valid these tests can be in measuring intellectual ability..."
January 1, 1970