The Test of the Mediator Variable between Peer Relationship and Loneliness in Middle Childhood
童年中期同伴关系与孤独感的中介变量检验

571 elementary school children from the third grade to the fifth are investigated in June 2003. The relationships among social preference, friendship quality, self-perceived social competence and loneliness are examined, the mediator effect of self-perceived social competence between peer relationship and loneliness is also tested. The results indicated that, the relationships among social preference, friendship quality, self-perceived social competence and loneliness are significant, and the gender differences is significant; self-perceived social competence has mediator effect between peer relationship and loneliness; in separate analyses, there are not only indirect relation between loneliness and social preference or friendship quality through the mediator effect of self-perceived social competence, but also direct relation; in integrate analysis, there are direct and indirect relations between loneliness and friendship, there are only indirect relation between loneliness and social preference.