Grit—perseverance and passion for long-term goals—has been shown to be a significant
predictor of academic success, even after controlling for other personality factors. Here, for …

Because educational achievement at the end of compulsory schooling represents a major
tipping point in life, understanding its causes and correlates is important for individual …

Long before infants reach, crawl or walk, they explore the world by looking: they look to learn
and to engage, giving preferential attention to social stimuli, including faces, face-like stimuli …

Humans differ substantially in how strongly they respond to similar experiences. Theory
suggests that such individual differences in susceptibility to environmental influences have a …

Although common sense suggests that environmental influences increasingly account for
individual differences in behavior as experiences accumulate during the course of life, this …

Background: Body mass index (BMI) has been shown to be highly heritable, but most
studies were carried out in cohorts born before the onset of the “obesity epidemic.” …

Background The environment can moderate the effect of genes-a phenomenon called gene-
environment (GxE) interaction. Several studies have found that socioeconomic status (SES) …

Context Genetic factors play an important role in the etiology of both autism spectrum
disorders and autistic traits. However, little is known about the etiologic consistency of …

If maternal expressed emotion is an environmental risk factor for children's antisocial
behavior problems, it should account for behavioral differences between siblings growing up …

OBJECTIVE: This study investigated the etiology of autistic-like traits in the general
population and the etiological overlap between the three aspects of the triad of impairments …