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Changes to the SIPP 2004 Panel Wave 1 Recipiency History Topical Module and Their Impacts on Survey Estimates and Data Quality

Jeffrey C. Moore

KEY WORDS: CIIG, data quality, item nonresponse, measurement error, questionnaire design, spells


The SIPP Continuous Instrument Improvement Group (CIIG) recommended a set of changes to SIPP’s wave 1 Recipiency History topical module (RHTM), several of which were intended to address known or suspected data quality issues. Most of the recommended changes were approved, and, following testing, implemented in the redesigned SIPP 2004 panel questionnaire. This report summarizes those changes, and evaluates their impact on RHTM data through a comparison with data from the most recent pre-redesign questionnaire, administered in wave 1 of the 2001 SIPP panel. The limitations of the research – in particular, the lack of an experimental design, and the absence of objective validity criteria – prevent definitive conclusions. Nevertheless, the results are strongly suggestive of important improvements in the quality of key RHTM estimates, including the presence/absence of spells of receipt prior to the wave 1 reference period and the total number of spells experienced.


Source: U.S. Census Bureau, Statistical Research Division

Created: January 30, 2007
Last revised: January 30, 2007

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Source: U.S. Census Bureau | Statistical Research Division | (301) 763-3215 (or |   Last Revised: October 08, 2010