Nursery school children's temperament related to sex, birth position, and socioeconomic status.
D000223:Adaptation, Psychological; D001288:Attention; D001722:Birth Order; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D009043:Motor Activity; D010551:Personality; D002666:Psychology, Child; D012737:Sex Factors; D012923:Social Class; D013694:Temperament