Matthew Salganik Department of Sociology Princeton University 145 Wallace Hall Princeton, NJ 08544 609.258.8867 (phone) 609.258.2180 (fax) mjs3@princeton.edu

Matthew Salganik is an Assistant Professor in the Department of Sociology at Princeton University. His interests include social networks, quantitative methods, and web-based social research. One main area of his research has focused on developing network-based statistical methods for studying populations most at risk for HIV/AIDS. A second main area of work has been using the World Wide Web to collect and analyze social data in innovative ways.

Salganik's research has been published in journals such as Science, PNAS, Sociological Methodology, and Journal of the American Statistical Association. His papers have won the Outstanding Article Award from the Mathematical Sociology Section of the American Sociological Association and the Outstanding Statistical Application Award from the American Statistical Association. Popular accounts of his work have appeared in the New York Times, Wall Street Journal, Economist, and New Yorker. Salganik's research is funded by the National Science Foundation, National Institutes of Health, Joint United Nations Program for HIV/AIDS (UNAIDS), and Google.

Updates from Matt:

• My new NIH R01 grant to support research on the network scale-up method has just been funded. (Sept 2012)
• A pre-print of my paper "Diagnostics for respondent-driven sampling", co-authored with Lisa Johnston and Krista Gile, has just been posted to the arXiv. (Sept 2012)
• My book Bit by Bit: Social Research in the Digital Age will be published by Princeton University Press. Look for it in 2014. (May 2012)
• I've just posted a pre-print of a paper about wiki surveys, co-authored with Karen Levy: "Wiki surveys: Open and quantifiable social data collection". (Feb 2012)
• My commentary "Respondent-driven sampling in the real world" was just published in Epidemiology. It discusses the study of McCreesh et al. which I thought was interesting. (Feb 2012)
• Our project using All Our Ideas to help Wikipedia collect and prioritize ideas for fundraising banners has started and ended. In about two weeks more than 1,500 banner ideas were uploaded and more than 100,000 votes were cast. Some analysis and links to the raw data are available on the All Our Ideas blog. (Jan 2012)
• I've been awarded another Google Faculty Research Award to support All Our Ideas. (Dec 2011)
• Our paper "Assessing Network Scale-up Estimates for Groups Most at Risk of HIV/AIDS: Evidence From a Multiple-Method Study of Heavy Drug Users in Curitiba, Brazil" has been published in American Journal of Epidemiology. You can download data and code to reproduce and extend these results. Thank you to UNAIDS for enabling us to publish the article Open Access. (Nov 2011)
• I am on sabattical for academic year 2011-2012 thanks to a Jonathan Dickinson Bicentennial Preceptorship from Princeton Unversity. (Sept 2011)
• Our paper "The Game of Contacts: Estimating the Social Visbility of Groups" is now in press at Social Networks. You can download data and code to reproduce and extend these results. (Dec 2010)
• Another grant from Google has arrived to support All Our Ideas. (Dec 2010)
• Our paper "Counting Hard-to-Count Populations: The Network Scale-up Method for Public Health" has appeared in Sexually Transmitted Infections. (Dec 2010)
• Our paper "Assessing respondent-driven sampling" has appeared in Proceedings of the National Academy of Sciences. (April 2010)
• Our paper "How Many People Do You Know?: Efficiently Estimating Personal Network Size" has appeared in Journal of the American Statistical Association. (Mar 2010)
• My new web-based research project, All Our Ideas, has launched. Using the power of the web, we are creating a data collection tool combines the quantification of a survey with the openness of an interview. You can read more about the project in this article or at the project blog. Finally, feel free to try it out. (Feb 2010)
• I've released all the data that were collected during my dissertation "Success and Failure in Cultural Markets" into the Office of Population Research data archive. This should allow others to replicate and, I hope, extend some of the findings. (July 2008)
• The Princeton Weekly Bulletin recently published a nice profile of my research. (June 2008)