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4 Additional Coverage Evaluation Research Useful for Census Error Reduction
Pages 68-76

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From page 68...
... This database can support analyses of factors associated with census component coverage error, which would advance identification of census processes that can be improved. We then discuss how the Census Bureau can better use the 2000 data both to guide design of this database and to help complete the design of the 2010 coverage measurement program.
From page 69...
... Furthermore, none of these factors has been chosen on the basis of potential links to potentially deficient census component processes. Since the past two censuses conducted coverage measurement primarily to support adjustment, it is commendable that the Census Bureau has also devoted substantial resources to the study of factors associated with census coverage error.
From page 70...
... For example, a recent National Academies study of census residence rules (National Research Council, 2006) reported that little is known about the extent to which the following types of individuals were missed, duplicated, or erroneously included in the census: people with multiple residences and highly mobile populations (including snowbirds and sunbirds,1 modern nomads, commuter workers and people in commuter marriages, and migrant farm workers)
From page 71...
... Recording the census process path taken and the corresponding person, household, and area characteristics is therefore crucial to understanding what factors may be associated with census coverage error. This argument points to the need for a database that represents the census processes used to enumerate housing units, characteristics of the persons and housing unit and area, along with the assessment of correctness or type of coverage error represented by these cases.
From page 72...
... It will also help to understand how best to structure a database to support analysis of census component coverage errors looking toward 2020. LOOKING TOWARD 2010 The approach we propose argues that the Census Bureau, in order to satisfy its own goals for coverage measurement in 2010, needs to retain the necessary data from the 2010 census to support analysis of possible relationships between census component coverage error and census processes.
From page 73...
... A properly structured database would link the information on census processes, people, housing units, and local areas, and the information on census coverage error, to support analysis of the combinations of factors associated with census component coverage error. Included in this database would be information to determine whether a person was a P-sample correct enumeration, omission, erroneous enumeration, duplicate, or an enumeration in the wrong geographic area.
From page 74...
... The appropriate metric is how many census coverage errors could potentially be corrected through a modification of the relevant census process, both nationally and for important geographic and demographic domains. While promoting the benefits of the construction of this analytic database, we are aware that feedback loops linking census component coverage errors to specific components of census processes are always going to be somewhat limited in their ability to pinpoint specific problematic components and to suggest alternatives.
From page 75...
... Given the importance of all of this research, which in essence is guiding the development of a feedback loop to improve census-taking over time, the panel thinks that the resources currently devoted to this effort are insufficient. Therefore, we strongly advise the Census Bureau to provide the coverage measurement group with sufficient resources to carry out its current research program, its planning activities regarding the dress rehearsal and the 2010 census, and the activities listed in this report -- including searching for covariates for the logistic regression models on net coverage error, greater targeting of the design of the census coverage measurement survey, further development of the small-area random effects modeling of CCM match rate and census correct enumeration rate, use of administrative records in coverage improvement and coverage measurement, further analysis of A.C.E.
From page 76...
... • What issues will come up in identifying duplicates in real time? Finally, we also hope to consider the question of what a coverage measurement program entirely focused on measuring census component coverage error, including the use of administrative records, might look like.


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