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2010 Census Coverage Measurement Survey Update New York State Data Center Affiliate Meeting May 20, 2010 Thomas Mule US Census Bureau. CCM – Census Coverage Measurement. Survey provides estimates of coverage error for people in housing units and for housing units:

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CCM – Census Coverage Measurement


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2010 Census Coverage Measurement Survey UpdateNew York State Data CenterAffiliate MeetingMay 20, 2010Thomas MuleUS Census Bureau

ccm census coverage measurement
CCM – Census Coverage Measurement
  • Survey provides estimates of coverage error for people in housing units and for housing units:
    • Excludes group quarters and remote Alaska
    • Includes Puerto Rico
  • No intent to adjust the census
net error
Net Error
  • Uses dual-system estimation, a sample capture-recapture technique
  • Used in 1980, 1990, and 2000
  • Provides estimates of net undercount and overcount
    • Key demographic groups
    • Specific geographic areas
  • Requires independence from census
components of census coverage
Components of Census Coverage
  • New objective for 2010
  • Provides estimates of:
    • Correct enumerations – those included correctly by the census
    • Erroneous enumerations – those included incorrectly by the census
    • Imputations
    • Omissions – those missed by the census
  • Key demographic groups and by census operations
2000 a c e measurement error
2000 A.C.E. Measurement Error
  • 2000 coverage measurement program failed to detect erroneous enumerations
    • Many were census duplicates
2010 ccm nonsampling error reduction initiatives and ccm recall bias study
2010 CCM Nonsampling Error Reduction Initiatives and CCM Recall Bias Study
  • Higher field work reinterview rates
  • Higher clerical matching review rates and analyst spot checks
  • Extending Person Interview Reinterview (RI) for one week to allow for the completion of RI sampling
  • Paired interviewers for Initial Housing Unit Followup

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2010 ccm nonsampling error reduction initiatives and ccm recall bias study1
2010 CCM Nonsampling Error Reduction Initiatives and CCM Recall Bias Study

5 Adding training modules to interviewer training

6 Smaller field employee-to-supervisor ratios

7 Conduct personal visit follow up for nationwide possible duplicates in the Person Followup operation

CCM Recall Bias Testwill start in May 2010

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ccm sample size
CCM Sample Size
  • Reduced from 300,000 to 170,000 housing units
  • American Indian Reservation and Hawaii sample remain same
  • 1,000 target minimum state housing unit sample size
current plans for estimation domains for 2010 ccm
Current Plans for Estimation Domains for 2010 CCM
  • Estimation domains have not been finalized so products shown here are current plans
  • Break into 3 Major Groupings:
    • Demographic/housing unit characteristic groups
    • Geographic areas
    • Census operation results
substate geographic level for people in housing units net error
Substate Geographic Level for People in Housing Units:Net Error
  • Proposed level of release
    • counties and places with 2010 count >= 100,000
    • balance of state for remaining
substate geographic level for people in housing units components of census coverage
Substate Geographic Levelfor People in Housing Units:Components of Census Coverage
  • Proposed level of release
    • counties and places with 2010 count >= 500,000
    • balance of state for remaining
what about those people who should have been enumerated somewhere else
What about those people who should have been enumerated somewhere else?
  • A table to show people who should been enumerated outside our block cluster search area.
    • Same county
    • Different county in the same state
    • Different state
substate geographic level for housing units net error and components
Substate Geographic Levelfor Housing Units:Net Error and Components

Same Criteria as People in HUs

  • Net Error: counties and places with 2010 count >= 100,000
  • Components: counties and places with 2010 count >= 500,000
  • Balance of State for remaining
housing units that were geocoded incorrectly
Housing units that were geocoded incorrectly
  • A table to show housing unit geocoding results in relation to block cluster search area
    • Geocoded to block cluster
    • Geocoded one block outside of the cluster
    • Geocoded beyond one block outside of the cluster
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Thanks!

vincent.t.mule.jr@census.gov