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Working Paper Number rsm2009-10
Laurie Schwede, Anissa Sorokin, Virginia Wake Yelei
Component ID: #ti489467521

Abstract

The census must count everyone living in the United States just once and in the right place. This is a challenge in our diverse, mobile society: Census 2000 had an estimated 5.8 million duplicated persons (Mule 2002). Following the NAS Residence Rule Panel suggestion (NAS 2006) to try to identify duplications on the census form itself, the Census Bureau designed a 2010 Alternative Questionnaire Experiment overcount questionnaire to identify persons' alternate addresses and collect the residence rule data needed to indicate the address where they should be counted. This should make it possible to determine the right place to count persons with alternative addresses from answers on the census form itself during processing, rather than in a later telephone followup operation. This paper presents results of cognitive testing and coverage research with this experimental overcount census form in household types prone to duplication. During the debriefing, we also elicited descriptions of household members' living situations to check the extent to which patterns of answers on the questionnaires did identify persons’ correct residences. We discuss respondent comprehension of the overcount question. We then assess how well the overcount sequence worked to distinguish those who did and did not “sometimes live or stay somewhere else” and recommend revisions to question wording and to the skip instruction. We then assess whether the questions worked to identify the person’s correct residence, based on living situation information from the debriefing. We identify the types of individual and household living situations and mobility patterns that the question sequence picked up and those that were missed. We found that the experimental overcount sequence accurately identified the correct place for 12 of the 16 persons with two or more places. It also identified some persons with false negatives that would need followup to resolve. Based on these results, the experimental Census 2010 Overcount Questionnaire worked well in providing enough data to determine residence for most rostered persons who sometimes live or stay somewhere else. It has the potential to improve the Census Bureau’s ability to count persons once, in the right place, at lower cost and in less time.

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