Cameron, LisaErkal, NisvanGangadharan , LataMeng, Xin2016-06-140036-8075http://hdl.handle.net/1885/103151Keywords: behavior change; behavioral research; China; letter; parental behavior; priority journal; public figure; rural area; sibling; Attitude; Behavior; Family Planning Policy; Female; Humans; Male; Only Child; Personality201310.1126/science.340.6130.272-b2016-06-14