Recent work has investigated the origin of infant colour categories, showing pre-linguistic infants categorise colour even in the absence of colour words. These infant categories are similar but not identical to adult categories, giving rise to an important question about how infant colour perception changes with the learning of colour words. Here…

The study found that providing feedback and goals in an accelerating standards condition had a positive effect on the learning of eight retarded children (mean age 9 years) on a five-choice discrimination task requiring vocabulary and perceptual competence. (Author/DB)