Statistical Disclosure Control

Making the most of transportation data while protecting the privacy of respondents

Every year, the U.S. Census Bureau asks members of more than 3.5 million U.S. households to participate in the American Community Survey (ACS), which collects demographic, social, economic, and...

Collecting high-quality travel data while protecting travelers' privacy

One challenge facing transportation experts is finding the best methods and data management practices to protect the privacy of data they collect. For the National Academy of Sciences’ (NAS)...

Using the PATH Study to see how regulating tobacco products affects behavior and health

On September 19, 2011, the National Institutes of Health (NIH) and Food and Drug Administration (FDA) initiated a prospective, longitudinal cohort study to assess tobacco use behaviors and health...

Examining the health habits of teens and their parents

What influence does home environment, neighborhood, and the wider community have on diet and exercise habits of today’s teenagers? How do parents’ and teens’ attitudes toward healthy foods affect...

Comparing students internationally with TIMSS

To keep improving education, we need to know how students compare. The Trends in International Mathematics and Science Study (TIMSS) is part of a series of international studies, sponsored...

Charting early childhood development

The Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K: 2011) was designed to provide detailed and comprehensive data that can be used to describe and to better understand...

Helping to stop sexual assaults of youth in custody

The Bureau of Justice Statistics (BJS) asked Westat to conduct the National Survey of Youth in Custody in 2008-09 and 2012. In 2016, BJS selected Westat to conduct this...