Intelligence—the ability to learn, reason and solve problems—is at the forefront of
behavioural genetic research. Intelligence is highly heritable and predicts important …

Personality traits are the relatively enduring patterns of thoughts, feelings and behaviors that
reflect the tendency to respond in certain ways under certain circumstances. Twin and family …

Humans vary substantially in their willingness to take risks. In a combined sample of over 1
million individuals, we conducted genome-wide association studies (GWAS) of general risk …

Polygenic indexes (PGIs) are DNA-based predictors. Their value for research in many
scientific disciplines is growing rapidly. As a resource for researchers, we used a consistent …

Educational attainment is strongly influenced by social and other environmental factors, but
genetic factors are estimated to account for at least 20% of the variation across individuals 1 …

People's differences in cognitive functions are partly heritable and are associated with
important life outcomes. Previous genome-wide association (GWA) studies of cognitive …

Behavior genetics is the study of the relationship between genetic variation and
psychological traits. proposed “Three Laws of Behavior Genetics” based on empirical …

In the context of current concerns about replication in psychological science, we describe 10
findings from behavioral genetic research that have replicated robustly. These are “big” …

Using a field experiment in a 401 (k) plan, we measure the effect of disseminating
information about peer behavior on savings. Low‐saving employees received simplified …

A previous genome-wide association study (GWAS) of more than 100,000 individuals
identified molecular-genetic predictors of educational attainment. We undertook in-depth life …