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- And what weight should we assign each of the many inputs that affect a child's outcome: genes, family environment, socioeconomic level, schooling, discrimination, luck, illness, and so on?p. 156.7
- A long line of studies, including research into twins who were separated at birth, had already concluded that genes alone are responsible for perhaps 50 percent of a child's personality and abilities.p. 154.8
- Forget that: It's all genetics!"p. 155.9
- Many theories have been put forth over the years: poverty, genetic makeup, the "summer setback" phenomenon (blacks are thought to lose more ground than whites when school is out of session), racial bias in testing or in teachers' perceptions, and a black backlash against "acting white."p. 161.6
- As also seen in the ECLS data, adopted children test relatively poorly in school; any influence the adoptive parents might exert is seemingly outweighed by the force of genetics.p. 178.9
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