5Brissette,I.,Scheier,M.,& Career,C.S.The role of optimism in social network development,coping,and psychological adjustment during a life transition.Journal of Personality and Social Psychology,2002,82:102-111.
6Brandt P.& Weinert C.The PRQ:A social measure.Nursing Research,1981,30:277-280; Weinert C.& BrandtP.Measuring social support with the personal Resuuree Question-aire.Western Journal of Nursing Research,1987,9:589-602.
7Norbeck J.S.,Lindsey A.M.& Carrieri V.L.Further development of the Norbeck social support questionnaire:Normative data and validity testing.Nursing Research,1983,32(1):4.
8Cohen S,Willis T A.Stress,Social Support and Buffering Hypothesis.Psychological Bulletin,1985,98(2):307-357.
