On October 3, a trial began in Florida. Tim Ferriter, a white man, was charged with aggravated child abuse, false imprisonment, and neglect of a child. His wife, Tracy, also white, sat just behind him throughout the trial. She was also charged, but the couple’s trials were severed and a date for hers has not...
Read MoreEffects of adoption on intelligence: 42% heredity, 8% environment?
I don’t do policy, but how about this one? In addition to all public policies aimed at getting rid of the achievement gaps between different groups, why not take an intensive approach? Continue with every program which is already under way, but add this one. Get every child who is under-performing to live permanently from...
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In a mixed group, women become quieter, less assertive, and more compliant. This deference is shown only to men and not to other women in the group. A related phenomenon is the sex gap in self-esteem: women tend to feel less self-esteem in all social settings. The gap begins at puberty and is greatest in...
Read MoreJayMan • December 21, 2014 • 1,600 Words
One of the greatest pieces of evidence demonstrating that the family/rearing environment has no effect on eventual outcomes is the absence of birth order effects. Birth order is an excellent test for these effects: it is something that systematically differs between siblings and is bona fide non-genetic (mostly). Hence, it's a great way to see...
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Who's making more babies? "Good boys" or "bad boys"? Originally, the good boys were, thanks to parental monitoring of relations between single men and single women. The pendulum then swung toward the bad boys in the 1940s, only to swing back after the 1960s. A recent Swedish study has found that "bad boys" are outbreeding...
Read MoreIn debating the causes of the Montreal Massacre, we must confront the psychological similarities between Marc Lépine and his father. Both seem to have had low thresholds for ideation and expression of violence. Was this quick temper passed down from father to son? Or are the similarities only fortuitous? If these psychological characteristics had passed...
Read MoreOn December 6, 1989, a 25-year-old man walked into Montreal’s École polytechnique and murdered fourteen women. The event is still being debated … twenty years later. We know the immediate cause. The murderer, Marc Lépine, felt that places like the École polytechnique were training women to take jobs that had been mainly held by men...
Read MoreIt has long been known that children are likelier to be abused, neglected, or murdered by stepparents than by birth parents. This kind of genetic discrimination seems consistent with kin selection theory: parents are expected to care more for children who share kinship with them, as opposed to a purely legal and social relationship (Daly...
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