Empirical validation of reading and spelling quotients.
D000124:Achievement; D000293:Adolescent; D001077:Aptitude Tests; D002648:Child; D004410:Dyslexia / Q000175:diagnosis* / Q000235:genetics / Q000523:psychology; D005260:Female; D006801:Humans; D007360:Intelligence; D008297:Male; D012649:Self Concept; D012737:Sex Factors; D011795:Surveys and Questionnaires; D014888:Wechsler Scales