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 …

Social norms are the glue that holds society together, yet our knowledge of them remains
heavily intellectually siloed. This article provides an interdisciplinary review of the emerging …

Winner of the William James Book Award “Magisterial... Makes an impressive argument that
most distinctly human traits are established early in childhood and that the general …

Humans are a puzzling species. On the one hand, we struggle to survive on our own in the
wild, often failing to overcome even basic challenges, like obtaining food, building shelters …

Tool-making or culture, language or religious belief: ever since Darwin, thinkers have
struggled to identify what fundamentally differentiates human beings from other animals …

Michael Tomasello offers the most detailed account to date of the evolution of human moral
psychology. Based on experimental data comparing great apes and human children, he …

From an evolutionary perspective, morality is a form of cooperation. Cooperation requires
individuals either to suppress their own self-interest or to equate it with that of others. We …

The challenge of studying human cognitive evolution is identifying unique features of our
intelligence while explaining the processes by which they arose. Comparisons with …

In evolutionary perspective, what is most remarkable about human sociality is its many and
diverse forms of cooperation. Here, I provide an overview of some recent research, mostly …

Although psychologists have paid scant attention to the sense of obligation as a distinctly
human motivation, moral philosophers have identified two of its key features: First, it has a …