Joseph Henrich

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1,282 appearances 2 recordings 2 series first heard Mar 2025 last heard 25 May

Joseph Henrich’s voice in public audio — every appearance, attributed to the second.

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So we have a large corpus, two different corpus from China.

And so we have late imperial China, something called the gazetteers, which were produced across the prefectures.

And they had a stylized content.

So this is the same genre, thousands of books.

And then we have about 7,000 books going back 2,000 years in Chinese history.

And the techniques that the AI is allowing us to do is to get measurements of psychology from the texts.

So we take a questionnaire.

This is a technique developed by my postdoc, Muhammad Atari.

We take a psychological questionnaire that's been validated.

It's in English.

And we want to get an equivalent in ancient Chinese.

So we run it through a kind of semantic similarity comparison.

And we look for quotes from the ancient Chinese corpora that match each sentence in the English corpora.

And then we rebuild the questionnaire in ancient Chinese.

So that's our psychological measure for something like individualism or collectivism or moral universalism.

And then we take each book or each paragraph in each book and we do a comparison, cosine similarity comparison between the two sets of text there.

And that allows us to stamp each paragraph with a measure of individualism, for example.

And then we do that for the entire corpora.

And this allows us to track psychological change across space and time in China.

And then we can correlate that with kinship intensity and we get the same correlations that we do in Europe.

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