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Previous studies have demonstrated the role of social networks, social capital, and social support in individuals' well-being. However, the ways in which these related constructs simultaneously influence one's well-being outcomes and relate to one another have not been closely examined. This study pays particular attention to the structural characteristics of personal networks, distinction between offline and online social capital, and different indicators of well-being outcomes. Based on survey data collected from 574 college students, the study found that two dimensions of personal networks-density and gender homophily-and social capital in the form of offline bonding capital explained perceived social support. Further, perceived social support consistently predicted well-being outcomes and played a mediating role between personal network density and well-being, as well as between offline bonding capital and well-being. The results offer implications for a more nuanced understanding of the role of individuals' interpersonal and social environments in well-being outcomes.

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This research examines the evolutionary patterns and determinants of multiplex organizational communication networks. Based on the data between 1997 and 2005 collected from the records of development projects in the field of Information and CommunicationTechnology for Development, the study demonstrates that dynamics in one network are significant drivers of tie formation in the other network at both dyadic and triadic levels. In particular, results show that the effects of common third-party ties and structural embeddedness exist across multiplex networks. Further, the study suggests that resource similarity of organizational dyads, resource width, and organizational centrality have positive effects on the propensity for multiplex ties. These results have implications for organizations' communication networking strategies in a wide variety of organizational communities.