COMPARISONS OF MENTAL AND MOTOR TEST SCORES FOR AGES 1-15 MONTHS BY SEX, BIRTH ORDER, RACE, GEOGRAPHICAL LOCATION, AND EDUCATION OF PARENTS.
D001722:Birth Order; D044383:Black People; D004493:Education; D005843:Geography; D006801:Humans; D007223:Infant; D007360:Intelligence; D009048:Motor Skills; D010290:Parents; D012723:Sex; D013223:Statistics as Topic; D014481:United States; D001741:Black or African American
BIRTH ORDER; EDUCATION; GEOGRAPHY; INFANT; INTELLIGENCE; MOTOR SKILLS; NEGROES; SEX; STATISTICS; UNITED STATES