Research or revelation.
Hackett
R
R
D000293:Adolescent; D000294:Adolescent Behavior; D002648:Child; D002652:Child Behavior; D003431:Cross-Cultural Comparison; D004739:England; D005260:Female; D005610:Freedom; D006801:Humans; D007194:India; D008297:Male; D011203:Poverty / Q000523:psychology*; D012106:Research