Need for achievement in Negro, white and Puerto Rican children.
D000124:Achievement; D001741:Black or African American; D002648:Child; D003469:Culture; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D008913:Minority Groups; D010551:Personality; D013803:Thematic Apperception Test; D044465:White People