Best friends primarily shape a child’s internal emotional state and academic behavior, popular peers set the standard for public image and social media engagement. As children enter adolescence, peers ...

A randomized trial conducted by health economists found that a bit of peer influence can nudge us to select healthier groceries. Amid the rise of chronic diseases, such as heart disease and diabetes, ...

For decades, a debate has brewed over whether parents or peers exert a greater influence on children's development. Judith Rich Harris reignited this controversy in 1998 with The Nurture Assumption, ...