We present evidence that people in small‐scale mobile hunter‐gatherer societies
cooperated in large numbers to produce collective goods. Foragers engaged in large‐scale …

During social interactions in daily life, people possess imperfect knowledge of their
interdependence (ie, how behaviors affect each person's outcomes), and what people infer …

Fines, corporal punishments, and other procedures of punitive justice recur across small-
scale societies. Although they are often assumed to enforce group norms, we here propose …

For more than 150 years, global perspectives on the mobile to sedentary transition have
been framed by deeply entrenched categorical assumptions that have effectively blinded …

In psychological research, there are often assumptions about the conditions that children
expect to encounter during their development. These assumptions shape prevailing ideas …

Cultural and evolutionary explanations are often seen as rivals in the social sciences. It is
therefore not surprising that these perspectives have also communicated little in leadership …

This paper makes the case for an evolutionary mismatch between digital work and the way
human ancestors engaged in work. Psychological adaptations for producing things that …

We examine from whom children learn in mobile hunter-gatherers, a way of life that
characterized much of human history. Recent studies on the modes of transmission in hunter …

Individuals living in either harsh or favorable environments display well-documented
psychological and behavioral differences. For example, people in favorable environments …

While some species have affiliative and even cooperative interactions between individuals
of different social groups, humans are alone in having durable, positive-sum, interdependent …