Post-Enumeration Survey (PES).

The 1990 census analogue of the Accuracy and Coverage Evaluation in 2000.


Separating a data set collected through use of sampling into strata on the basis of information gathered during data collection, and then treating each stratum separately in estimation.


A collection (of individuals in the census context) that share some characteristics (e.g., race, age, sex, region, owner/renter) obtained during data collection and that are separately treated in estimation.

Primary selection algorithm (PSA).

Algorithm developed by the Census Bureau to consolidate multiple responses from the same household into a single return; given concerns about opening a loophole for duplicates, the details of the PSA have not been made public.

Service-based enumeration.

Enumeration of typically homeless people at food kitchens and shelters.

Short form.

The census questionnaire that is mailed to about five-sixths of all households. The short form concentrates on basic demographic information. See also long form.

Special place.

A place where people live or stay that is different from the usual private house, apartment, or mobile home and that requires different decennial census procedures. Examples are hospitals, prisons, hotels, motels, orphanages, nursing homes, dormitories, marinas, military installations, and large rooming or boarding houses. See also group quarters.

Synthetic error.

Type of error cited by the Executive Steering Committee for A.C.E. Policy in its recommendation not to adjust census counts for congressional redistricting. The population post-strata used to assign coverage correction (adjustment) factors are supposed to be homogeneous in that members of a post-stratum are supposed to be equally likely to be counted in the census and the A.C.E.; synthetic error is produced in adjusted counts when this homogeneity assumption is not satisfied.

Title 13.

The section of the U.S. Code under which the Census Bureau operates. It also protects the confidentiality of census information and establishes penalties for disclosing this information.

Topologically Integrated Geographic Encoding and Referencing (TIGER) System.

The framework for identifying the exact geographic location of residential addresses (as well as other physical features).

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