TITLE

Data Quality: Census Bureau Needs to Accelerate Efforts to Develop and Implement Data Quality Review Standards: GAO-05-86

PUB. DATE
November 2004
SOURCE
GAO Reports;11/17/2004, p1
SOURCE TYPE
Government Document
DOC. TYPE
Report
ABSTRACT
Data from the decennial census are used to apportion and redistrict seats in the House of Representatives, distribute billions of dollars of federal funds, and guide the planning and investment decisions of the public and private sectors. Given the importance of these data, it is essential that they meet high quality standards before they are distributed to the public. After questions arose about the quality of certain data from the 2000 Census, the requesters asked GAO to review U.S. Census Bureau (Bureau) standards on the quality of data disseminated to the public. The Bureau did not have detailed agencywide standards for the review of data from the 2000 Census to determine if the data were of sufficient quality for public dissemination. Instead, analysts and managers in different parts of the Bureau primarily used their own judgment and unwritten, program-specific guidance to decide when and whether data should be released and what supporting information should accompany the data. The lack of sufficient data quality review standards led to a variety of problems, including missed opportunities for correcting data before release, inconsistent decisions on disseminating data with similar quality issues, and inadequate communication to users about the reasons for dissemination decisions. As a result, some users of data from the 2000 Census lost confidence in the quality of the data and in the Bureau's review procedures. In the 4 years since the 2000 Census, the Bureau has publicly issued general information quality guidelines, including eight performance principles, and one new standard that allows individuals to request correction of certain errors in data disseminated by the Bureau. Both of these documents resulted from the enactment of the Information Quality Act in 2000 and the subsequent guidelines issued by the Office of Management and Budget in 2002. However, except for the one standard, the Bureau did not provide any specific guidelines or procedures on the implementation of the general guidelines. The Bureau also began work on other standards, including one on minimal information that must be provided with data and another on discussion of errors in data released to the public. Neither has been issued in final form. In response to our earlier recommendations, the Bureau created an interdirectorate working group charged with developing and publicly issuing Bureau-wide standards for quality in data releases. The working group has taken some steps, but the Bureau has not provided information on the scope or the time frame for its efforts to develop these standards. The standards that the Bureau has under development and the activities of the working group are encouraging. However, it will be important for the Bureau to proceed with greater urgency to ensure that fully tested standards are in place for the 2010 Census. Until spring 2004, no additional resources were provided to support the working group, and over a year after it began, it has not issued any new standards or said when it will be ready to do so. A comprehensive, Bureau-wide data quality framework, with interrelated standards, and specific implementing procedures could help ensure consistent decisions about the quality of the data from the next decennial census and conditions under which the data will be disseminated. Moreover, the benefits the Bureau can achieve by developing and effectively implementing comprehensive data quality standards would not be limited to the decennial census. Because they would apply to all data disseminated by the Bureau, it will be important for any new standards to be developed promptly, implemented across the Bureau, and released to the public.
ACCESSION #
18175025

 

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