Development of geometric imagery in five- to eight-year-olds.
D000367:Age Factors; D000375:Aging; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D003210:Concept Formation; D004193:Discrimination Learning; D005260:Female; D005556:Form Perception; D006801:Humans; D007092:Imagination; D007360:Intelligence; D008297:Male; D011214:Practice, Psychological; D011582:Psychological Theory; D012054:Reinforcement, Psychology