Psychometric intelligence and spatial imagery in two Northwest Indian and two white groups of children.
D000293:Adolescent; D000704:Analysis of Variance; D002170:Canada; D002648:Child; D003431:Cross-Cultural Comparison; D005006:Ethnicity; D005260:Female; D006801:Humans; D007198:Indians, North American; D007361:Intelligence Tests; D008297:Male; D012959:Socioeconomic Factors; D013028:Space Perception