Research interests

• especially: online interaction, social control on the internet, social consequences of the internet, knowledge sharing in online settings, the internet and academic communication, methods of online data collection
• in general: problems of cooperation and social order, social networks, rational choice theory, and other topics

Research papers

Research papers-complete list here

Selection of recent papers

• Matzat, U. (2010). "Reducing problems of sociability in online communities: Integrating online communication with offline interaction" in: American Behavioral Scientist, 53, 8: 1170-1193. (pre-print)
• Matzat, U. , & Snijders, C. (2010). "Does the Online Collection of Ego-Centered Network Data reduce Data Quality? An Experimental Comparison." in: Social Networks, 32, 2: 105-111. (pre-print)
• Rooks, G. & Matzat, U., (2010). "Cross-cultural differences in effects of social embeddedness on trust. A comparative study of German and Dutch business transactions." in: Social Science Journal, 47, 1: 45-68. (pre-print)
• Matzat, U. (2009). "The Acceptance and Effectiveness of Social Control on the Internet" in: Cook, K., Snijders, C., Buskens, V. (eds): E-Trust: Forming Relationships in the Online World. Russell Sage Foundation. New York: 238-265. (abstract)
• Matzat, U. (2009). "Quality of Information in Academic Emailing Lists." in: Journal of the American Society for Information Science and Technology, 60, 9: 1859-1870. (pre-print)
• Matzat, U. (2009). "Disciplinary Differences in the Use of Internet Discussion Groups: Differential Communication Needs or Trust Problems?" in: Journal of Information Science, 35, 5: 613-631. (pre-print)
• Matzat, U. (2009). "A Theory of Relational Signals in Online Groups." in: New Media & Society, 11, 3: 375-394. (pre-print)
• Utz, S., Matzat, U., & Snijders, C. (2009). "Online Reputation Systems: The Effects of Feedback Comments and Reactions on Building and Rebuilding Trust in Online Auctions." in: International Journal of Electronic Commerce, 13, 3: 95-118. (pre-print)

Curriculum vitae

• curriculum vitae