4Desjarlais M, Willoughby T.A longitudinal study of the rela-tion between adolescent boys’ and girls’ computer use with friendsand friendship quality : Support for the social compensation or therich-get-richer hypothesis? [J].Computers in Human Behavior, 2010,6(5).
5Lazarus R S.Emotion and adaptation [M].New York: OxfordUniversity Press,1991.
6PetersonC,Maier S,Seligman M E P.Leamed Helplessness:A Theory for the Age of Personal Control[M].New York: Oxford Uni-.