Cognitive development, egocentrism, self-esteem, and adolescent contraceptive knowledge, attitudes, and behavior.
D000293:Adolescent; D000367:Age Factors; D000569:Americas; D001290:Attitude; D001519:Behavior; D001695:Biology; D002657:Child Development; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D019049:Developed Countries; D004493:Education; D005193:Family Planning Services; D019359:Knowledge; D009656:North America; D010465:Perception; D011153:Population; D011154:Population Characteristics; D011584:Psychology; D012649:Self Concept; D012736:Sex Education; D012737:Sex Factors; D012725:Sexual Behavior; D013223:Statistics as Topic; D014481:United States
Adolescents; Age Factors; Americas; Attitude; Behavior; Biology; Child Development; Contraception; Contraceptive Usage--determinants; Correlation Studies; Demographic Factors; Developed Countries; Education; Family Planning; Knowledge; North America; Northern America; Perception; Population; Population Characteristics; Psychological Factors; Self-perception; Sex Behavior; Sex Education; Sex Factors; Statistical Studies; Studies; United States; Youth