Statistical Research & Survey Methods

Expertise in unbiased survey methods and analysis

Whether the goal is to assess American children’s educational progress, U.S. household travel behaviors, or HIV drug resistance in developing countries, we assist our clients in meeting research goals using the most efficient, unbiased, and innovative survey methods.

Westat statisticians and survey methodologists are internationally recognized for their contributions to the theory and practice of statistical research and survey methods. Many Westat statisticians have been selected as Fellows of the American Statistical Association; elected as members of the International Statistical Institute; serve as editors and referees for statistical journals; publish papers in peer reviewed journals, teach courses in survey sampling and methods; and make invited presentations at conferences.

Several Westat staff are faculty at the Joint Program in Survey Methodology consortium, a consortium of the University of Maryland, the University of Michigan, and Westat. JPSM is the nation’s oldest and largest program offering graduate training in the principles and practices of survey research.

Survey Design

No two surveys are alike. Our statisticians work closely with clients to develop and implement survey designs that meet the requirements, challenges, and resource allocations for their specific…

Methodological Research

What are the best ways to capture data? How can mobile devices like tablet computers and smartphones be used most effectively? What can be done to increase response rates? Do respondent…

Pretesting Methods

Expert review, cognitive interviews, usability evaluation, forms review, and focus groups are just a few methods we use before fielding a survey. These methods ensure survey products…

Statistical Analysis & Data Science

Big data alone can’t answer any questions. But when coupled with data analytics and applied statistics, the tools of data science, it can help solve real-world problems. Westat takes big data and…

Statistical Disclosure Control

Safeguarding the identity of survey respondents is essential to survey research. And it’s the law. Statistical disclosure control (SDC) procedures reduce the risk that an “intruder” …