The effects of perceptual pretraining on concept identification and preference.
D000367:Age Factors; D001288:Attention; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003118:Color Perception; D003210:Concept Formation; D004193:Discrimination Learning; D005556:Form Perception; D006801:Humans; D009949:Orientation; D011214:Practice, Psychological