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COUNTING
PEOPLE
IN THE
INFORMATION
AGE
Duane L. Steffey and Norman M. Bradburn, Editors
Panel to Evaluate Alternative Census Methods
Committee on National Statistics
Commission on Behavioral and Social Sciences and Education
National Research Council
NATIONAL ACADEMY PRESS
Washington, D.C. 1994
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NOTICE: The project that is the subject of this report was approved by the Governing Board of the
National Research Council, whose members are drawn from the councils of the National Academy
of Sciences, the National Academy of Engineering, and the Institute of Medicine. The members of
the committee responsible for the report were chosen for their special competences and with regard
for appropriate balance.
This report has been reviewed by a group other than the authors according to procedures approved
by a Report Review Committee consisting of members of the National Academy of Sciences, the
National Academy of Engineering, and the Institute of Medicine.
The National Academy of Sciences is a private, nonprofit, self-perpetuating society of distin-
guished scholars engaged in scientific and engineering research, dedicated to the furtherance of
science and technology and to their use for the general welfare. Upon the authority of the charter
granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the
federal government on scientific and technical matters. Dr. Bruce M. Alberts is president of the
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Shine is president of the Institute of Medicine.
The National Research Council was organized by the National Academy of Sciences in 1916 to
associate the broad community of science and technology with the Academy's purposes of furthering
knowledge and advising the federal government. Functioning in accordance with general policies
determined by the Academy, the Council has become the principal operating agency of both the
National Academy of Sciences and the National Academy of Engineering in providing services to
the government, the public, and the scientific and engineering communities. The Council is adminis-
tered jointly by both Academies and the Institute of Medicine. Dr. Bruce M. Alberts and Dr. Robert
M. White are chairman and vice chairman, respectively, of the National Research Council.
This project is supported by funds provided by the Bureau of the Census, U.S. Department of
Commerce, under contract number 50-YABC-1-66032.
Library of Congress Catalog Card No. 94-68466
International Standard Book Number 0-309-05178-9
Additional copies of this report are available from:
National Academy Press, 2101 Constitution Avenue, N.W., Box 285, Washington, D.C. 20418
Call 800-624-6242 or 202-334-3313 (in the Washington Metropolitan Area)
B482
Copyright 1994 by the National Academy of Sciences. All rights reserved.
Printed in the United States of America
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PANEL TO EVALUATE ALTERNATIVE CENSUS METHODS
NORMAN M. BRADBURN (ChairJ, National Opinion Research Center,
University of Chicago
ROBERT M. BELL, RAND Corporation, Santa Monica, California
GORDON J. BRACKSTONE, Statistics Canada, Ottawa, Ontario
CLIFFORD C. CLOGG, Departments of Sociology and Statistics,
Pennsylvania State University
THOMAS B. JABINE, Statistical Consultant, Washington, D.C.
KATHERINE S. NEWMAN, Department of Anthropology, Columbia
University
D. BRUCE PETRIE, Statistics Canada, Ottawa, Ontano
PETER A. ROGERSON, Department of Geography, State University of
New York, Buffalo
KEITH F. RUST, Westat, Inc., Rockville, Maryland
NORA CATE SCHAEFFER, Department of Sociology, University of
Wisconsin
EDWARD A. SCHILLMOELLER, A.C. Nielsen Company, Northbrook,
Illinois
MICHAEL F. WEEKS, Battelle Memorial Institute, Durham, North Carolina
ALAN M. ZASLAVSKY, Department of Statistics, Harvard University
DUANE L. STEFFEY, Study Director
ANU PEMMARAZU, Senior Project Assistant
MEYER ZITTER, Consultant
. . .
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COMMITTEE ON NATIONAL STATISTICS
1993-1994
NORMAN M. BRADBURN (Chair), National Opinion Research Center,
University of Chicago
JOHN E. ROLPH (Vice ChairJ, Department of Information and Operations
Management, School of Business Administration, University of Southern
California
MARTIN H. DAVID, Deparunent of Economics, University of Wisconsin,
Madison
JOHN F. GEWEKE, Department of Economics, University of Minnesota,
Minneapolis
NOREEN GOLDMAN, Office of Population Research, Princeton University
JOEL B. GREENHOUSE, Department of Statistics, Carnegie Mellon
University
ERIC A. HANUSHEK, W. Allen Wallis Institute of Political Economy,
Department of Economics, University of Rochester
ROBERT M. HAWSER, Department of Sociology and Institute for Research
on Poverty, University of Wisconsin, Madison
NICHOLAS JEWELL, Program in Biostatistics, School of Public Health,
University of California, Berkeley
WILLIAM NORDHAUS, Department of Economics, Yale University
JANET L. NORWOOD, The Urban Institute, Washington, D.C.
DOROTHY P. RICE, Department of Social and Behavioral Sciences, School of
Nursing, University of California, San Francisco
KEITH F. RUST, Westat, Inc., Rockville, Maryland
DANIEL L. SOLOMON, College of Physical and Mathematical Sciences,
North Carolina State University
MIRON L. STRAP, Director
'-v
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Contents
PREFACE
SUMMARY
1 INTRODUCTION
The Role of the Panel, 16
Census Bureau Research and Development, 19
Planning for the 2000 and Future Censuses, 26
2 PRELIMINARY CENSUS DESIGN ISSUES
Address List Development and Related Activities, 30
Record Linkage, 36
Legal Issues, 38
Operational Issues, 42
RESPONSE AND COVERAGE
Research on Response and Coverage Issues to Date, 49
Roster Improvement Research, 52
Response Improvement Research, 58
Use of the Telephone, 62
Other Automated Response Technologies, 72
Hard-to-Enumerate Populations, 73
Tool Kit and Planning Database, 86
Outreach and Promotion, 89
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15
30
47
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Vl
4 SAMPLING AND STATISTICAL ESTIMATION
Nonresponse Follow-up, 97
Integrated Coverage Measurement, 105
Statistical Estimation, 119
ADMINISTRATIVE RECORDS
Basic Requirements for More Effective Use of Administrative
Records, 138
An Administrative Records Census: Key Features and Issues, 148
Use of Administrative Records in the 2000 Census, 159
Use of Administrative Records in Other Demographic Programs, 163
Summary and Conclusions, 174
6 ALTERNATIVES FOR LONG-FORM DATA COLLECTION
Continuous Measurement, 180
Manx Sampling, 196
RECOMMENDATIONS
REFERENCES
APPENDIX: BIOGRAPHICAL SKETCHES
OF PANEL MEMBERS AND STAFF
CONTENTS
96
136
178
203
211
223
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Preface
In response to the Decennial Census Improvement Act of 1991 and at the
request of the U.S. Department of Commerce and the Bureau of the Census, the
National Research Council in 1992 began two studies on the census in the year
2000. The studies are being conducted by two panels under the Research
Council's Committee on National Statistics. One study, being conducted by the
Panel on Census Requirements in the Year 2000 and Beyond, is considering what
purposes a decennial census serves and whether alternative data collection sys-
tems can meet these objectives. The interim report of that panel was published in
May 1993 (Committee on National Statistics, 1993a); its final report is scheduled
for completion in late 1994.
The second study, being conducted by the Panel to Evaluate Alternative
Census Methods, has focused on how the census should be taken. The panel
includes members with expertise in statistics, survey methods and design, decen-
nial census operations, field organization of large-scale data collection, demog-
raphy, geography, marketing research, administrative records and record linkage,
small-area statistics, and respondent behavior (see the Appendix for biographical
sketches of panel members and staff).
The panel has conducted much of its work through four working groups that
were formed to consider different aspects of alternative census designs: (1) re-
sponse and coverage issues, including alternative enumeration methods; (2) sam-
pling and statistical estimation; (3) administrative records; and (4) alternatives
for small-area data collection. In preparing this report, working groups and staff
drafted material for review by the full panel and subsequent revisions were made
in response to members' comments. Thus, the report represents the collective
. .
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. . .
V111
PREFACE
thinking of the panel on the issues we have addressed. Nonetheless, we recognize
the substantial contributions of individual panel members through their working
group affiliations.
Nora Cate Schaeffer was convertor of the first working group, which in-
cludes Katherine Newman and Michael Weeks. This group examined response
and coverage issues and reviewed research on methods to improve census re-
sponse and reduce differential coverage. Topics studied by the group include
questionnaire design and implementation, census fostering and residence rules,
methods for hard-to-enumerate populations, and census outreach and promotion.
This working group was primarily responsible for drafting Chapter 3 of this
report.
Robert Bell was convertor for the second working group, which includes
Clifford Clogg and Alan Zaslavsky. This group examined how problems of
coverage and differential coverage could be assessed and improved with sam-
pling and statistical estimation methods. Topics investigated by the group in-
clude sampling and truncation of nonresponse follow-up, alternative methodolo-
gies for coverage measurement, and the integration of sampling and estimation
with other census operations to produce final population totals. This working
group was primarily responsible for drafting Chapter 4 of this report.
Thomas Jabine was convertor of the third working group, which includes
Gordon Brackstone and Peter Rogerson. This group studied current and potential
uses of administrative records in censuses and other components of the Census
Bureau's demographic data systems. The group considered technical, legal, and
administrative issues-as well as such factors as cost and public acceptability-
regarding new uses of administrative records and future research and develop-
ment. This working group was primarily responsible for drafting Chapter 5 of
this report.
Keith Rust was convertor for the fourth working group, which includes
Norman Bradburn, Bruce Petrie, and Edward Schillmoeller. This group studied
two proposed alternatives-continuous measurement and matrix sampling for
collecting the detailed sociodemographic data that are currently gathered on the
decennial census long form. The group examined methodological and opera-
tional issues associated with the implementation of these proposals. The group
also considered other factors in its evaluations, including accuracy, costs, accept-
ability to census data users, and effects on the decennial enumeration. This
working group was primarily responsible for drafting Chapter 6 of this report.
The panel transmitted its first brief report to the Census Bureau in December
1992 (Committee on National Statistics, 1992~. That letter report offered general
comments on the design selection process and made several recommendations
regarding further consideration of the use of administrative records for the
nation's censuses in the future. In September 1993, the panel transmitted an
interim report, which presented the panel's findings and conclusions to that date,
many of which concerned plans for the 1995 census test (Committee on National
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PREFACE
IX
Statistics, 1993b). We have excerpted relevant material and integrated earlier
recommendations in preparing this report.
The panel has endeavored to deliver a timely and thorough report. Although
the primary audience for this report is the Census Bureau, we have also tried to
include sufficient technical background so that the report is of value to a wider
audience. We have offered a generous number of recommendations, and we hope
the Census Bureau will find this report useful in planning for the 1995 census test
and the 2000 census. We have been heartened by the responsiveness of Census
Bureau staff to recommendations in our earlier report. This report reflects our
general satisfaction with the direction of the census research and development
program, although we note exceptions and suggest modifications or shifts in
emphasis of the program.
At the time of this report, the major components of the 1995 census test have
been identified, but details of field operations and estimation procedures are still
being determined. Therefore, the plans for the 1995 census test discussed in the
report are tentative and are subject to change. We believe that one major contri-
bution of the 1995 census test, if it is properly designed and executed, will be cost
data on the innovations under consideration-e.g., nonresponse follow-up sam-
pling and truncation, application of the planning database and tool kit, and new
approaches for integrated coverage measurement. Accurate information on cost
and operational effectiveness will be essential for making sound decisions in
December 1995 on the final design for the 2000 census.
We thank the Census Bureau staff for their accessibility and cooperation in
providing information and materials for deliberations of our panel and its work-
ing groups. We would like to thank Harry Scarr, acting director of the Census
Bureau, for addressing the panel at numerous panel meetings during the past two
years. We would like to give special thanks to Robert Tortora, Susan Miskura,
and Mary Mulry for providing regular briefings on 2000 census research and for
responding promptly to requests for documentation. Also, we thank the follow-
ing members of the Year 2000 Research and Development Staff, who were
extremely generous with their time: Solomona Aoelua, Bob B. air, LaVerne
Collins, Arthur Cresce, Jim Dinwiddie, Catherine Keeley, Jay Keller, Joe Knott,
Charlene Leggieri, Sandy Lucas, and Violetta Vasquez. Other Census Bureau
staff with whom the panel consulted include Charles Alexander, Leslie
Brownrigg, Jon Clark, Tom DeCair, Gregg Diffendal, Don Dillman, Jerry Gates,
Deborah Griffin, Susan Knight, John Long, Elizabeth Martin, Lawrence McGinn,
Laurie Moyer, Gregg Robinson, Rajendra Singh, John Thompson, Signe
Wetrogan, David Whitford, and Henry Woltman.
Federal agency representatives who provided information include Bruce
Johnson and Jack Kaufman of the U.S. General Accounting Office; Katherine
Wallman of the U.S. Office of Management and Budget; Fritz Scheuren, Ellen
Yau, and Peter Sailer of the Internal Revenue Service; and Jim Scanlon, John
Fanning, Dale Hitchcock, and Jim Kaple of the U.S. Department of Health and
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XPREFACE
Human Services. The panel is also grateful for discussions with several congres-
sional staff members, including TerriAnn Lowenthal, Shelly Wilkie Martinez,
David McMillen, and George Omas.
We are grateful to Johnny Blair, associate director of the Survey Research
Center, University of Maryland, College Park, for preparing a technical paper
that evaluated, summarized, and analyzed data from the Internal Revenue Service
taxpayer opinion surveys and other relevant sources. The paper also evaluated
the design and methodology used in the surveys and other research. We also
thank Edwin Goldfield for preparing two background papers reviewing innova-
tions in the decennial census and previous studies of the decennial census of
population and housing.
There are many staff members of the Committee on National Statistics who
provided guidance and advice, particularly Miron Straf, Constance Citro, and
Barry Edmonston. The panel also appreciates the editorial work of Eugenia
Grohman, associate director for reports, and Christine McShane, editor of the
Commission on Behavioral and Social Sciences and Education. Their efforts
have greatly improved the report's structure and presentation.
We especially thank our panel staff. We thank Meyer Zitter, consultant to
the panel, for his part in drafting the material in Chapter 5 on the use of adminis-
trative records in other demographic programs of the federal statistical system.
Anu Pemmarazu, senior project assistant, competently prepared summaries of
panel meetings and draft documents, and handled myriad administrative matters
with efficiency and professionalism. Her keen ability to anticipate project needs
and to manage the often challenging logistics of panel meetings, as well as her
unflagging willingness to take on diverse assignments, kept our day-to-day op-
erations running smoothly.
No greater blessing can be given to a panel than to have a study director with
the depth of understanding, sense of organization, felicity of expression and
willingness to put in long hours possessed by Duane Steffey. He gently, but
firmly, kept us on track, made certain that we always had the next milestone in
sight, and turned our often rambling prose into an integrated and readable docu-
ment. Our gratitude to him truly knows no bounds. A special place in the
pantheon of National Research Council study directors is reserved for him.
Finally, I would like to thank the panel members for their generous contribu-
tion of time and expert knowledge. They gave unstintingly of their expertise and
never faltered in their assignments. The report is truly a collaborative effort.
Working with them was both a great pleasure and a learning experience for me.
Norman M. Bradburn, Chair
Panel to Evaluate Alternative
Census Methods
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Or 1` ITI 1` 1,-
PEOPLE
IN THE
INFORMATION
Rem _
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