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L. C. Freeman, S. P. Borgatti and D. R. White, “Centra- lity in Valued Graphs: A Measure of Betweenness Based on Network Flow,” Social Networks, Vol. 13, No. 2, 1991, pp. 141-154. doi:10.1016/0378-8733(91)90017-N

has been cited by the following article:

• TITLE: “Good Vibrations”: The Social Networks of Optimists and Alter-Optimists

  AUTHORS: Miguel Pereira Lopes

  KEYWORDS: Optimism; Alter-Optimists; Homophily; Social Network Analysis

  JOURNAL NAME: Social Networking, Vol.1 No.1, July 25, 2012

  ABSTRACT: This study empirically tested if the personality trait of optimism and the interpersonal capability to generate optimism in one’s network nodes (i.e., alter-optimism) influences the social relationship patterns. The results provide evidence that optimism trait is independent from the way social networks of personal-issue sharing, advice-seeking, problem-solving, and innovation, are structured. In contrary, the alter-optimism capability does provide a good explanation of one’s social network position. Implications of these findings are discussed at the end.