Nonresponse bias is an important concern for longitudinal surveys such as the Survey of Income and Program Participation (SIPP). Previous panels started with nonresponse rates around 7.5% in the first wave and climbed to around 20% by the eighth wave. We are making changes to the 1996 panel that are expected to increase nonresponse rates: the panel length will increase to four years, we will introduce computer assisted personal interviewing (CAPI), and the panel size will be larger than previous panels (so many interviews will not have previous experience with the SIPP). The U.S. Census Bureau has initiated several projects with the goal of reducing nonresponse bias. This paper briefly describes these projects.

Others in Series

Working Paper

The Redesign of the Survey of Income and Program Participation

August 1994

The SIPP has been used as a multi-purpose survey providing cross-sectional, longitudinal and current event information.

Working Paper

Adjusting for Attrition in Event History Analysis

April 1995

The sensitivity of parameter estimates of event history models to alternative methods of correcting for panel attrition is not well understood.

Working Paper

Income and Poverty Time Series Data from SIPP

September 1995

This paper will present what we can currently provide for time series data from the SIPP.

Related Information

Survey of Income and Program Participation Working Papers

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