The replication crisis facing the psychological sciences is widely regarded as rooted in
methodological or statistical shortcomings. We argue that a large part of the problem is the …

Psychology has traditionally seen itself as the science of universal human cognition, but it
has only recently begun seriously grappling with cross-cultural variation. Here we argue that …

“This is an important book and likely the most thoughtful of the year in the social sciences...
Highly recommended, it is likely to prove one of the most thought-provoking books of the …

Cumulative technological culture (CTC) refers to the increase in the efficiency and
complexity of tools and techniques in human populations over generations. A fascinating …

It has been suggested that the human species may be undergoing an evolutionary transition
in individuality (ETI). But there is disagreement about how to apply the ETI framework to our …

Traditionally, cognitive and computer scientists have viewed intelligence solipsistically, as a
property of unitary agents devoid of social context. Given the success of contemporary …

Theories of innovation emphasize the role of social networks and teams as facilitators of
breakthrough discoveries,,–. Around the world, scientists and inventors are more plentiful …

In the last few million years, the hominin brain more than tripled in size. Comparisons across
evolutionary lineages suggest that this expansion may be part of a broader trend toward …

The question as to why primates have evolved unusually large brains has received much
attention, with many alternative proposals all supported by evidence. We review the main …

We conduct a 3-y study involving 11,662 respondents to map cultural tightness—the degree
to which a society is characterized by rules and norms and the extent to which people are …