Racism still contaminating science:Why?

Earlier this month, the popular magazine Psychology Today published an article by evolutionary psychologist Satoshi Kanazawa titled “Why Are Black Women Less Physically Attractive Than Other Women?" that was met, as one would expect, with a great deal of outrage. The article used data based on another study to make several claims such as "black women are objectively less physically attractive than other women" yet "subjectively consider themselves to be far more physically attractive than others."

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After some attempted editing of the title, the magazine retracted the post from its website entirely. Kanazawa in turn is facing an investigation by the London School of Economics, where he is a professor, after a unanimous vote for his dismissal by the student union. It’s amazing in 2011 that a respected magazine would publish an article so clearing based in racial bias. And they can’t claim they didn’t know because they wrote the title themselves.

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When a Psychology Today magazine blog appeared under the headline "Why Are African American Women Less Physically Attractive Than Other Women?", some dismissed it as an isolated incident of racism and misogyny creeping into science.

Here in Philadelphia in the early 1800s, one of the world's leading anthropologists, Samuel Morton, was measuring human skulls and using his results to justify the continued enslavement of Africans. "Physical anthropology played a very large role in ways by which race and the institution of slavery was seen - and was either supported or argued against," said Princeton anthropologist Alan Mann.

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Mann has lectured on this, encouraging his colleagues to be mindful of their field's past. But racism, he said, has infected other fields including biology and psychology.

The post about black women appeared May 15, authored by Satoshi Kanazawa, an evolutionary psychologist from the London School of Economics.

Kanazawa based his claim not on a published study but on his own analysis of a large survey by the Add Health group at the University of North Carolina. The vast survey started with seventh to 12th graders and followed them into adulthood, evaluating health along with social, economic, and psychological factors. For reasons that are unclear, the interviewers rated the subjects on attractiveness on a scale from 1 (very unattractive) to 5 (very attractive).

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From this, Kanazawa concluded that black women are "objectively" less attractive than women of other races - despite the obviously subjective nature of the evaluation.

He also failed to mention that many of the evaluations were made while the subjects were teens, some as young as 12. The same subjects were evaluated at four intervals, and only in the last two of those were they all adults.

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incident shows some parallels to the case of Philly's skull-measuring anthropologist Morton. (His skull collection is still housed in the Penn Museum of Archaeology and Anthropology.) Morton thought he had evidence that, on average, Africans had smaller heads and were therefore less intelligent.

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The abolition movement was growing then, and Morton was embraced by those who favored slavery, said Mann. Morton was also working under the theory that God created human races separately, making them essentially different species. Darwin's evolution theory was still years away.

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At the time, it was a common assumption that head size correlated with intelligence. It does, roughly, across different animal species, though it's the size of the brain relative to the whole animal that's important rather than the sheer size.

In the human race, the biggest heads belong to the biggest people, said Mann, but not necessarily the brightest.

Even if Morton's assumption were correct and having a small head somehow disqualified a person from freedom, then Americans should have stopped kidnapping Africans and started measuring heads and enslaving those with the smallest. But that clearly wasn't his agenda.

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In the 1980s, paleontologist Stephen Jay Gould attempted to debunk Morton in his book The Mismeasure of Man. Gould went so far as to claim that Morton fudged his data, but others, including Mann, have reexamined the evidence and say Morton was wrong not because he cheated but because he used skewed data and made bad assumptions.

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A disproportionate number of his African skulls came from a relatively diminutive group, Mann said, and Morton might not have been aware of this.

On the other hand, both say he's one of the most popular bloggers at Psychology Today. "If you weren't familiar with the scholarly literature, and only looked at the popularity of the blog, you might think he was a lot more prominent in the field than he is," said Kurzban, who, like Kaufman, writes a much less popular blog on the same site.

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Kanazawa's previous posts include such headlines as "Are All Women Essentially Prostitutes?" Psychology Today might have seen this as a red flag some time ago, but they continue to let him blog under their name. They eventually removed the post about black women with no explanation. They issued an apology on their website late last week, but Kanazawa's blog, "The Scientific Fundamentalist," remained on their site.

In response to questions, the magazine's editors sent The Inquirer a link to an NPR blog post, which contained the following quote from editor in chief Kaja Perina: "Our bloggers are credentialed social scientists" who choose their own topics, Perina wrote. "We in turn reserve the right to remove posts for any number of reasons. Because the post was not commissioned or solicited by PT (in contrast to a magazine article), there was no editorial intent to address questions of race and physical attractiveness."

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The controversy has fueled new criticism toward evolutionary psychology, a field that already has some vocal detractors. "Among the many reasons that I detest evolutionary psychology, one has a name: Satoshi Kanazawa," wrote biologist and blogger P.Z. Myers.

Other evolutionary psychologists say they're trying to expand the frontiers of human knowledge, and they can't avoid certain questions just because the answers might be hurtful.

But in an era when scientists are deciphering the fundamental constituents of matter, decoding the genome, and discovering planets sprinkled through the galaxy, anyone might wonder whether determining which race has hotter women is a reasonable endeavor for a grown man, let alone someone Psychology Today deems a credentialed scientist.