Razib Khan

The sex gap

I was recently reading Sexual Behavior in the United States: Results from a National Probability Sample of Men and Women Ages 14–94. At N ~ 6,000 it’s a large sample of American sexual behavior around 2010. There was one descriptive result which I thought was interesting, though not surprising. Before the age of 25 it [...]

American Born or Raised Indian American outmarriage rates don’t change

In the early-to-mid 2000s I had a discussion with friends who were involved in the Sepia Mutiny blog about the trends for outmarriage rates in the Indian American community. Now that we have Census 2010 data we can compare. US … Continue reading

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American Born or Raised Indian American outmarriage rates don’t change

In the early-to-mid 2000s I had a discussion with friends who were involved in the Sepia Mutiny blog about the trends for outmarriage rates in the Indian American community. Now that we have Census 2010 data we can compare. US … Continue reading

Are the Republicans the socially conservative party?

Charles Murray ruminates on why Asian Americans are not Republicans. Many of his observations are broadly consonant with my supposition that Asian American disidentification with the Republican party has to do with cultural markers (i.e., Asian Americans have become less Christian, the Republican party has become more self-consciously Christian). But Charles finishes with a curious [...]

What is the distribution of offspring per individual?

A commenter below notes:
Also, in modern society, doesn’t just about everyone reproduce, such that not only is any particular advantage competing against other countervailing pressures as you note, but also that the “less fit” genomes are not rem…

Women wanted more children in 2000s, but had fewer

As someone with mild concerns about dysgenic (albeit, with a normative lens that high intelligence and good looks are positive heritable traits) trends, I’m quite heartened that Marissa Mayer is pregnant. Of course she’s batting well below …

Higher vocabulary ~ higher income

Prompted by a comment below I was curious as to the correlation between intelligence and income. To indicate intelligence I used the GSS’s WORDSUM variable, which has a ~0.70 correlation with IQ. For income, I used REALINC, which is indexed to 19…

Attitudes toward genetically modified crops & science

In the further interests of putting quantitative data out their instead of vague impressions, I noticed two GSS variables which might be of interest. One queries the impression of effect on the environment of genetically modified crops. The second asks…

Left vs. right in anti-science

In the comments Chad says:
The Right is not inherently anti-science. Yes there are some morons out there who glorify in their ignorance, but lets recognize them for who they are, extremist idiots. This does not describe the majority of those on the Rig…

Trust in science, 1998 vs. 2008 (no difference)

A weeks ago Robert Wright had a post up, Creationists vs. Evolutionists: An American Story. Here’s the crux:
A few decades ago, Darwinians and creationists had a de facto nonaggression pact: Creationists would let Darwinians reign in biology clas…

Education encourages integration?

It is sometimes fashionable to assert that higher socioeconomic status whites are the sort who will impose integration on lower socioeconomic status whites, all the while sequestering themselves away. I assumed this was a rough reflection of reality. B…

Comparing American conservative Protestants & Muslims

A few years ago a book came out, American Taliban: How War, Sex, Sin, and Power Bind Jihadists and the Radical Right. The title clearly was aimed to push copies, but the gist of the title has moderately wide circulation. The rough sketch is that conser…

Japan has always been secular

In an otherwise fascinating column on Japan’s peculiar demographics, Ross Douthat presents one misleading fact: Japan is facing such swift demographic collapse, Eberstadt’s essay suggests, because its culture combines liberalism and traditionalism in particularly disastrous ways. On the one hand, the old sexual culture, oriented around arranged marriage and family obligation, has largely collapsed. Japan [...]

How income, class, religion, etc. relate to political party

Update: There was a major coding error. I’ve rerun the analysis. No qualitative change.
As is often the case a 10 minute post using the General Social Survey is getting a lot of attention. Apparently circa 1997 web interfaces are so intimidating…

The upper class is more Republican

A few months ago I listened to Frank Newport of Gallup tell Kai Ryssdal of Marketplace that upper class Americans tend to be Democrats. Ryssdal was skeptical, but Newport reiterated himself, and explained that’s just how the numbers shook out. This is important because Newport shows up every now and then to offer up numbers [...]

Vocab by ethnicity, region, and education

A questioner below was curious if vocabulary test differences by ethnic and region persist across income. There’s a problem with this. First, the INCOME variable isn’t very fine-grained (there is a catchall $30,000 or greater category). Second, it doesn’t seem to control for inflation. But, there is a variable, DEGREE, which asks the highest level of [...]

Iran is relatively liberal on social issues

We’ll be talking about Iran a lot in the near future in the United States. I doubt we’ll invade the country (thank god). But one thing I think needs to be emphasized: on social issues Iran is more “progressive” than many of our close allies in the region, like Saudi Arabia, and one of the [...]

Liberals more politically picky in mates?

In the early 2000s I recall Joel Grus telling me how reality television would become a pretty powerful exploratory tool for social science. I’m not quite sure of that now (there here’s a game-theoretic analysis of Survivor!). For example, c…

“Gross national happiness” in numbers

Bhutan famously espouses “gross national happiness”:
The term “gross national happiness” was coined in 1972 by Bhutan’s former King Jigme Singye Wangchuck, who has opened Bhutan to the age of modernization, soon after the…

Brown man + white woman

The title was for search engine optimization! There’s a new blog, Inverted Trope, which is about “the cultural portrayal of relationships between brown men and white women.” People in such relationships naturally do notice these sorts of things. It’s human nature. But there’s one thing I do want to enter into the record: clearing up [...]

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