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Two studies were done to assess the direct and stress-buffering effects of social support on psychological symptoms of college students. Three conceptually distinct measures were used to assess different aspects of social support: receipt of supportive transactions, satisfaction with support received, and social support network characteristics. The results indicated a significant direct and stress-buffering effect for support satisfaction in reducing psychological symptomatology. Two measures of support network size were used: number of people who were both a source of supportive and of upsetting interactions (conflicted support network), and number of people who were only mentioned as a source of support (unconflicted support network). Conflicted network size was positively related to symptomatology and increased the relationship between stress and symptomatology. No direct or interaction effects were obtained for unconflicted network size in predicting symptomatology.
Sandler et al. (Wed,) studied this question.