Decades of empirical research leave no doubt that friendship experiences are consistent correlates of happiness. Yet, little is known about how friendships are related to happiness. The present study examined personal sense of uniqueness as a mediator of the relationship between same-sex best...

Past empirical research relying on self-determination theory (SDT) has consistently shown that parental support of basic psychological needs (BPN) is associated with adolescent happiness. Yet, the specific mechanisms accounting for this link are still undetermined. The present study aimed to...