How many likes did I get?: Purpose moderates links between positive social media feedback and self-esteem.

Sociometer theory asserts that self-esteem is calibrated to one's perceived relational value. Accordingly, positive feedback should boost self-esteem because it signals acceptance by others. Yet, the extent to which self-esteem is sensitive to positive feedback may depend on individuals' sense of purpose. In two studies (N = 342), we tested purpose in life as a source of self-directed and prosocial motivation and predicted that having greater...