Policymakers are exploring ways to include people with disabilities more fully in society. Part of that inclusion effort is to make sure that they can participate in key surveys, and that these surveys accurately identify their abilities as well as any challenges and impairments. Since the...

This working paper presents methodological findings from the latest round of the Health Tracking Household Survey, which added a cell phone sample to the existing landline sample of random telephone numbers to increase the coverage of the U.S. population.

Describes the national sample design for the fifth and sixth rounds of the surveys.