Replication—an important, uncommon, and misunderstood practice—is gaining
appreciation in psychology. Achieving replicability is important for making research …

Decades of research document individual differences in prosocial behavior using controlled
experiments that model social interactions in situations of interdependence. However …

Humans are an ultrasocial species. This sociality, however, cannot be fully explained by the
canonical approaches found in evolutionary biology, psychology, or economics …

Being able to replicate scientific findings is crucial for scientific progress,,,,,,,,,,,,,–. We
replicate 21 systematically selected experimental studies in the social sciences published in …

One-shot anonymous unselfishness in economic games is commonly explained by social
preferences, which assume that people care about the monetary pay-offs of others …

Many researchers rely on meta-analysis to summarize research evidence. However, there is
a concern that publication bias and selective reporting may lead to biased meta-analytic …

A typical empirical study involves choosing a sample, a research design, and an analysis
path. Variation in such choices across studies leads to heterogeneity in results that introduce …

Human reasoning is often conceived as an interplay between a more intuitive and deliberate
thought process. In the last 50 years, influential fast-and-slow dual-process models that …

Sustaining large-scale public goods requires individuals to make environmentally friendly
decisions today to benefit future generations,,,,–. Recent research suggests that second …

Social psychological research is increasingly interested in the cognitive and affective
processes underlying human behavior in social environments. To match this emerging …