ArticleAuthors: Yi Mou; Carolyn A. Lin (2017)
This study investigated how social media use and online social capital might have influenced social trust and risk perception of a public health crisis in China. It also tested the validity and reliability of the online social capital measurement in the context of a Chinese food-safety crisis. Study findings validated the impact of online social capital on social trust and risk perception. In addition, two new dimensions of online social capital scale were identified; these two dimensions are in parallel to Putnam’s [2000.
Bowling alone: The collapse and revival of american community.
New York: Simon and Schuster] conception of ‘bonding social capital’ and ‘bridging social capital.’... 
