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Appendix C: Census Operations
Pages 379-408

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From page 379...
... · data processing (inclucling data capture, coverage edit ant! telephone follow-up, uncluplication of househoIcis ant!
From page 380...
... to have U.S. Postal Service carriers cleliver questionnaires to most aciciresses on the list; for areas outside the blue line, the Bureau expecter!
From page 381...
... on that check prior to questionnaire clelivery. Outside the "Blue Line" To develop the MAF for non-city-style areas, the Bureau first concluctecl a complete address listing operation in July 1998-February 1999.
From page 382...
... 7. Provide opportunity for localities to supply addresses for newly constructed housing units in January-March 2000 to be enumerated in summer 2000 (New Construction LUCA)
From page 383...
... to give localities insole the blue line an opportunity cluring lanuaryMarch 2000 to identify newly constructed housing units. Aclclresses iclentifiec!
From page 384...
... ant! vacant housing units counter!
From page 385...
... From evaluations of MAF housing unit counts cluring lanuary-Tune 2000 against estimates preparer! from other sources, such as buiTcling permits, the Census Bureau cleterminec!
From page 386...
... In areas with non-city-styTe addresses, the development of the 1990 address list was similar to that in 2000; census field staff conducted an address listing operation in fall 1989. Census enumerators also checked the list in March 1990 when they delivered questionnaire~s in the areas in which the uncrate/leave technique (new for
From page 387...
... housing units (see Chapter 4, Box 4.14.
From page 388...
... (2) Update/leave In areas outside the blue line in which there were many rural route and post office box addresses that could not be tied to a specific location, census enumerators dropped off address-labeled questionnaires to housing units in their assignment areas.
From page 389...
... Such blocks contained older apartment buildings that lacked clear apartment unit designators, or they had many residents, despite having city-style addresses, who elected to receive mail at post office boxes. "Urban" refers to the source of the address list the 1990 list updated by the USE, the LUCA 98 Program, and the Postal Service check in early 2000.
From page 390...
... questionnaire could increase mail response rates by as much as 10 - Percent (National Research Council, 1995b:120~. However, the Bureau cleterminec!
From page 391...
... also pick up "Be CountecI" forms, which were made available in six languages at various local sites throughout the country just prior to Census Day. Because multiple response mocles might not only boost return rates but also result in more responses that would require aciciress verification ant!
From page 392...
... census enumerators then came by to pick up completed questionnaires or obtain the answers, list the housing units in an aciciress register, ant! at a preclesignatec!
From page 393...
... In anticipation of possible clifficulties in hiring ant! also the possibility that the mail response rate wouIc!
From page 394...
... concurrently with the NRFU enumeration was a quality assurance program, in which selectee! cases were reinter~NRFU enumerators could also enumerate housing units they identified that were not on the address list; however, field observation suggested that LCOs and enumerators did not consider checking the completeness of the address list to be part of the enumerator's job.
From page 395...
... about S.9 million housing units. The largest portion of the workload!
From page 396...
... in the total of seven in which partial reenumeration occurrecI.) Overall, CIFU determined that 27 percent of the S.9 million housing units visited were occupiecl, 43 percent were vacant, and 30 percent shouIc!
From page 397...
... The 1990 quality control program reinterviewed 4.S percent of the NRFU workload! of 34 million housing units ant!
From page 398...
... A subsequent stage of follow-up in 1990 incluclecl several coverage improvement procedures (Bureau of the Census, 1993:6-37 to 6-38;6-53 to 6-564. An operation caller!
From page 399...
... , local jurisdictions nationwide were invited! to review preliminary census counts of housing units by block for their areas (Bureau of the Census, 1993:6-45 to 6-464.
From page 400...
... a very Tow response rate, so census enumerators were sent to correction clepartments in clesignatec! counties to obtain information for parolees ant!
From page 401...
... outreach specialists in local census offices, who worker! with community ant!
From page 402...
... Census Bureau headquarters in SuitiancI, MarylancI; 12 permanent regional offices; the Bureau's permanent iiData processing also included a series of computer systems for management of operations, including payroll, personnel, and management information systems.
From page 403...
... Data processing operations for 1990 are also summarized. C.5.a Data Capture The first step in data processing was to check in the questionnaires ant!
From page 404...
... incliviclual information was proviclec! for exactly six people (the limit of the space provided on the mail questionnaires)
From page 405...
... ant! which people from the other returns were part of that househoIcl.~2 In all, 9 percent of census housing units hac!
From page 406...
... 559 district offices. Mailback questionnaires in district offices in harcI-to-enumerate areas in central cities went directly to a processing office for check-in by scanning bar cocles, data capture by using the Census Bureau's Film Optical Sensing Device for Input to Computers (FOSDIC)
From page 407...
... follow-up of failecI-eclit mail returns for which telephone follow-up was unsuccessful. After completion of follow-up, the questionnaires were sent to the processing offices for data capture ant!
From page 408...
... by a combination of computer ant! clerical review.


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