title: The development of discrimination learning: a levels--of--functioning explanation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001245:Association Learning; D001288:Attention; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D004193:Discrimination Learning; D005556:Form Perception; D006801:Humans; D011340:Problem Solving; D011582:Psychological Theory; D012858:Size Perception; D014163:Transfer, Psychology