Online social networks are used by hundreds of millions of people every day, but little is known about their effect on behavior. In five experiments, the authors demonstrate that social network use enhances self-esteem in users who are focused on close friends (i.e., strong ties) while browsing...

The diagnosticity of feelings in judgment depends not only on their representativeness and relevance, but also on people’s trust in their feelings in general. Trust in feelings is the degree to which individuals believe that their feelings generally point toward the “right” direction in...