Census of Population and Housing, 1990 [United States]: Public Law 94-171, 1986 Test Census of Central Los Angeles County (ICPSR 8882)
Principal Investigator(s): United States Department of Commerce. Bureau of the Census
Summary: In preparation for the 1990 Census of Population and Housing, test censuses were conducted in central Los Angeles County and in east central Mississippi in order to test census procedures in representative urban and rural settings. Several goals were identified for the 1986 test censuses including (1) the examination of new techniques for automating questionnaire processing, (2) the production of maps from an automated geographic database, (3) the testing of a new questionnaire des... (more info)
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U.S. Dept. of Commerce, Bureau of the Census. CENSUS OF POPULATION AND HOUSING, 1990 [UNITED STATES]: PUBLIC LAW 94-171, 1986 TEST CENSUS OF CENTRAL LOS ANGELES COUNTY, CALIFORNIA. Washington, DC: U.S. Dept. of Commerce, Bureau of the Census [producer], 1987. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1988. doi:10.3886/ICPSR08882.v1
Persistent URL: http://dx.doi.org/10.3886/ICPSR08882.v1
Scope of Study
Summary: In preparation for the 1990 Census of Population and Housing, test censuses were conducted in central Los Angeles County and in east central Mississippi in order to test census procedures in representative urban and rural settings. Several goals were identified for the 1986 test censuses including (1) the examination of new techniques for automating questionnaire processing, (2) the production of maps from an automated geographic database, (3) the testing of a new questionnaire design, and (4) a review of adjustment methodology. This data collection offers complete-count data for central Los Angeles County on race and Spanish origin for total persons and for those 18 years and over.
Date of Collection:
Universe: All persons and housing units in the central Los Angeles test census north district office.
Data Types: aggregate data
Data Collection Notes:
The file is sorted by level of geographic hierarchy and includes data for state, county, voting districts, and geographic areas comprising voting districts. These data and their documentation follow 1980 conventions. The conventions may be modified for the 1990 data as well as for the PL94-171 Dress Rehearsal data. To maintain the confidentiality promised respondents and required by law, the Bureau of the Census takes precautions to make sure that its published data do not disclose information about particular individuals and housing units. To accomplish this, the Bureau suppresses data for characteristics which are based on a small number of persons and/or housing units in the geographic area. Under certain conditions, both primary and complementary suppression may take place. The general rules of primary suppression are as follows: counts for total population by race and Spanish origin are never suppressed, and other characteristics for persons are shown only if there are 15 or more persons in the geographic area. Counts of total housing units are never suppressed. These primary suppression criteria are applied independently of one another. In some cases, complementary suppression is applied to prevent the derivation of primary suppressed data by subtraction.
Sample: Approximately 320,000 housing units were involved in the test census. About one in every six housing units was selected to receive the long form of the questionnaire, which contains sample questions in addition to the general questions asked of everyone receiving the short form.
mailed questionnaires, and telephone interviews
Original ICPSR Release: 1988-03-16
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