‘And above all, away with the body, this wretched idée fixe of the senses.’ –Nietzsche

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We present a new tool that provides a means to measure the psychological and cultural distance between two societies and create a distance scale with any population as the point of comparison. Since psychological data is dominated by samples drawn from the United States or other WEIRD nations, this tool provides a “WEIRD scale.” […]

Decades of psychological research designed to uncover truths about human psychology may have instead uncovered truths about a thin slice of our species – those who live in Western Educated Industrialized Rich Democratic (WEIRD) nations. […]

Just how psychologically different are the nations of the world compared to each other and to the over-scrutinized United States? Many hard drives have been filled with the ways in which China and Japan differ from the United States and Canada, but just how psychologically distant is the culture of China from Japan, the United States from Canada, or Azerbaijan from Zambia? Here we introduce a robust method for quantifying this distance. […]

[We compared] the cultural differences between regions of the four largest populations—China, India, United States and European Union. These analyses reveal that the cultural differences between regions of the overscrutinized United States are considerably smaller than the European Union, China, or India. […]

The Far East has always held a certain exoticism, which may have driven a generation of cultural psychologists to document the many ways in which East Asian societies differ from the West. However, the most extensively researched East Asian nations aren’t anywhere near the extreme on the WEIRD scale and some are barely halfway. Moreover, there is considerable diversity within China, let alone between China, Japan, and Hong Kong. This diversity has been exploited by other researchers, for example, showing the role of agriculture on individualism and collectivism, but nowhere the levels performed within the United States, where we know state by state differences in psychological differences such as tightness-looseness. […]

Relatively little attention has been paid to the Middle East and Africa both by the World Values Survey and the psychological sciences. However, given the relative cultural distance to the United States and Africa’s large genetic, linguistic, and likely cultural variation, we have every reason to suspect the WEIRD scale will continue to stretch as we map out these psychological terra incognita. These regions, as well as other underrepresented regions, such as the South Pacific, may in fact hold a treasure trove of findings for the next wave of cultural psychologists.

{ SSRN | PDF }