Lesser, V.M., J. Sifneos, L. Newton.  Improving Response in Multimode and Single Mode Probability Based Surveys Compared to a Non-probability Survey.  Presented at the 7th European Survey Research Association Conference, Lisbon, Portugal.  July 2017. 

Newton, L., K. Nawrocki, V.M. Lesser, and L. Gamble. Item Non-Response and Mixed-Mode Design. Presented at the International Field Directors and Technology Conference, New Orleans, LA. May 2017.

Kitada, H. and V.M. Lesser.   Adjusting for Changing Survey Modes in a Series of Cross-Sectional Mixed Mode Studies.  Presented at the American Association for Public Opinion Research,  May, 2016.

Kitada, H. and V.M. Lesser.  Understanding and Assessing the Effect of Survey Mode with Complex Sampling Designs.  Presented at the American Statistical Association Meetings, Seattle, WA,  August, 2015.

Lesser, V.M. and L. Newton. Comparison of Internet Participation in Mixed-Mode Surveys over Time.   Presented at the ISI World Congress, Brazil, July, 2015.

Newton, L., A. James, and V.M. Lesser. Response Rates and Demographics of Web and Paper Modes for Specialized Populations. Presented at the International Field Directors and Technology Conference, Pasadena, CA. May 2014.

Newton, L., A. James, and V.M. Lesser. Question Order and Influence on Response. Presented at the International Field Directors and Technology Conference, Providence, RI. May 2013.

Lesser, V.M., L. Newton, D. Yang, J. Sifneos, and K. Nason. Comparing Response Rates, Demographics and Costs in Mail and Mixed-Mode Surveys. Presented at the American Association for Public Opinion Research, Boston, MA, 2013.

Lesser, V.M., L. Newton, D. Yang. Does Internet Use Improve Surveys?  Studies of Costs, Response Rates and Coverage. To be presented at the 5th European Survey Research Association Conference, Ljubljana, Slovenia, 2013.

Yang, D.K., Gitelman, A.I., Lesser, V.M., and D.S. Birkes.  Propensity Score Adjustments for Covariates in Observational Studies.  Presented at the American Statistical Association Meetings, San Diego, CA, August, 2012.

Lesser, V.M., D. Yang, L. Newton.  Trends in Mail Survey Response Rates: An Analysis of Monthly Response Rates.  Presented at the American Association for Public Opinion Research, Orlando, Florida, May, 2012.