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FY10 ACS Methods Panel updates on testing changes, adding new questions, cost-efficiency. Includes mail nonrespondents' additional mailing, multi-lingual brochure test, and content test. Contact Jennifer Guarino Tancreto for more information.
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FY10 ACS Methods Panel Update Jennifer Guarino Tancreto Chief, ACS Data Collection Methods Staff Decennial Statistical Studies Division Presentation to COPAFS March 5, 2010
ACS Methods Panel Vehicle for testing changes to ACS • Improving current questions/adding new questions • Testing new methods to improve cost-efficiency
FY 2010 ACS Methods Panel • Results of two tests from 2009 • Conduct one test • Plan for two future tests
Additional Mailing to Mail Nonrespondents • Goal: improve mail response • Postcard or another questionnaire package • Mailed ~2 weeks after replacement questionnaire • Tested in March 2009 • 1/3 got third questionnaire • 1/3 got postcard • 1/3 did not get an additional mailing
Multi-lingual Brochure Test • Goal: assist non-English speaking households in responding to ACS • Mail brochure in five languages: English, Spanish, Chinese, Russian, Korean • Dedicated toll-free number for each language • Tested in April through July 2009 • 1/3 got brochure with pre-notice • 1/3 got brochure with initial questionnaire • 1/3 did not get brochure
Multi-lingual Brochure Test • Results imminent • Study impact on response, specifically • Response from households that report speaking a language in the brochure
2010 ACS Content Test • Similar in design to 2006 ACS content test • OMB Interagency Committee for the ACS provided structure/process for identifying new and revised content
2010 ACS Content Test - New Questions Computer Ownership and Internet Access (FCC) Parental Place of Birth (Census)
2010 ACS Content Test - Revised Questions • Food Stamps (USDA) • Change program name to SNAP • Veteran Identification and Period of Service (VA) • Public Assistance Income (HHS) • (CATI/CAPI only) Wages/Salary/etc. and Interest/Dividends/etc. income (HHS)
2010 ACS Content Test – Process • Subcommittees determine preliminary questions • Cognitive testing • Expert Panel • Field Test
2010 ACS Content Test • Split-panel design • Control: current questions + version 1 of new questions • Test: revised questions + version 2 of new questions • Initial sample of 35,000 housing units per panel • Nonresponse follow-up by telephone, pers. visit • Behavior coding using recordings (CARI) • Content follow-up reinterview
2010 ACS Content Test • Field test in September – November 2010 • Final changes in ACS production in January 2013
2011 ACS Internet Test Evaluate feasibility of Internet option for ACS and PRCS English and Spanish Experimentally test ways of offering the Internet option to maximize Internet response 22
2011 ACS Internet Test • Treatments: • Prominent Offer (Choice) • Not Prominent Offer • Push Internet • Push Internet (modified mail schedule) • Control (production): No Internet offer
2011 ACS Internet Test • Two strata: Targeted and Not Targeted • Fully factorial design of 10 experimental panels • Main evaluation measure – response rates
2011 ACS Internet Test • Designed to present stimuli consistent with other ACS data collection modes to minimize potential mode effects But at the same time… • Take advantage of the technology to improve data quality to extent possible
2011 ACS Internet Test • Content reinterview (by phone) of INT respondents • Follow-up interview about materials and Internet accessibility • Test planned for March 2011 • Results expected late 2011
ACS Content Reinterview Survey • Study and monitor response error for ACS questions • Help identify items for content testing • Provide concrete estimates of response error • Exploring use of Latent Class analysis • Timing TBD
Contact Jennifer Guarino Tancreto Jennifer.Guarino.Tancreto@census.gov 301-763-4250