I. ANALYSIS OF INCOMPLETE SURVEY DATA
Organizers: FRITZ J. SCHEUREN, WENDY ALVEY, Internal Revenue Service
Chair: DONALD B. RUBIN, University of Chicago
Survey Nonresponse Adjustments - RODERICK
J.A. LITTLE, University of California, Los Angeles ............... 1
Discussion - GRAHAM KALTON, University
of Michigan ............... 11
Discussion - SUSAN M. HINKINS, Internal
Revenue Service ............... 14
Discussion - DAVID W. CHAPMAN, U.S. Bureau
of the Census ............... 16
Rejoinder - RODERICK J.A. LITTLE, University
of California, Los Angeles ............... 17
Moving Survey Problems into the Cognitive Psychology
Laboratory - DAVID FATHI, JONATHAN SCHOOLER, ELIZABETH LOFTUS, University
of Washington, Seattle ............... 19
Integration of the Sample Design for the National
Survey of Family Growth with the National Health Interview Survey - JOSEPH
WAKSBERG, Westat, Incorporated ............... 22
Evaluation of Alternate Designs for a Future
NMCUES - BRENDA G. COX, RALPH E. FOLSOM, Research Triangle Institute ...............
33
The Quality of Survey Data - BARBARA A.
BAILAR, U.S. Bureau of the Census ............... 43
Quality Assurance in Price Index Programs
- ERIC D. DMYTROW, U.S. Bureau of Labor Statistics ............... 53
Opening Remarks - JOHN LEYES, Statistics
Canada ............... 60
The Future of Administrative Records in the
Census Bureau's Demographic Activities - WILLIAM P. BUTZ, U.S. Bureau
of the Census ............... 61
Uses of Administrative Records: A Social Security
Point of View - JOHN J. CARROLL, Social Security Administration ...............
64
Goals for Statistical Uses of Administrative
Records: The Next Ten Years - THOMAS B. JABINE, National Academy of Sciences;
FRITZ SCHEUREN, Internal Revenue Service ............... 66
Administrative Statistics: A BLS Perspective
- JANET L. NORWOOD, U.S. Bureau of Labor Statistics ............... 76
The Future of Administrative Records in the
Economic Programs of the Census Bureau - CHARLES A. WAITE, U.S. Bureau
of the Census ............... 78
Rejoinder - THOMAS B. JABINE, National
Academy of Sciences ............... 80
The New Design for the National Assessment
of Educational Progress - SAMUEL MESSICK, Educational Testing Service
............... 83
National Assessment of Educational Progress
(NAEP)--The Sample and Data-Collection Design for Year 15 - MORRIS H.
HANSEN, BENJAMIN J. TEPPING, JOSEFINA A. LAGO, JOHN BURKE, Westat, Incorporated
............... 88
Statistical Issues in Data Analysis for the
National Assessment of Educational Progress - ALBERT E. BEATON, Educational
Testing Service ............... 98
Discussion - ROBERT F. BORUCH, Northwestern
University ............... 104
Bootstrap Inference for Sample Surveys
- J.N.K. RAO, Carleton University; C.F.J. WU, University of Wisconsin-Madison
............... 106
A Comparison of Variance Estimators Using the
Taylor Series Approximation - CATHRYN S. DIPPO, U.S. Bureau of Labor Statistics;
KIRK M. WOLTER, U.S. Bureau of the Census ............... 113
Conditional Coverage Properties of Finite Population
Confidence Intervals - RICHARD M. ROYALL, Johns Hopkins University ...............
122
Discussion - RALPH E. FOLSOM, Research
Triangle Institute ............... 130
An Overview of the Quality Control Program
for the National Center for Health Statistics - KENNETH W. HARRIS, National
Center for Health Statistics ............... 132
EIA Activities to Improve Data Quality
- DOUGLAS R. HALE, Energy Information Administration ............... 138
Statistics of Income Quality Management: Individual
Income Tax Returns - OTTO SCHWARTZ, DAVID PARIS, Internal Revenue Service
............... 144
Quality Assurance Elements in Producer Price
Index Data Initiation - IRWIN B. GERDUK, U.S. Bureau of Labor Statistics
............... 151
An Overview of Quality Control Procedures in
the Economic Area of the Bureau of the Census - THOMAS 0. CEVIS, ROBERT
A. PEREGOY, U.S. Bureau of the Census ............... 157
Quality Control Programs--Can They Realize
Their Potential? - NANCY R. MANN, University of California, Los Angeles
............... 163
Estimation of Proportions in
a Finite Population - RICHARD VALLIANT, U.S. Bureau of Labor Statistics
............... 164
A Comparision of Estimators
for the Variance of Regression-Type Estimators in a Finite Population -
SANDRA A. WEST, U.S. Bureau of Labor Statistics ............... 170
A Fresh Look at Bias-Robust Estimation
in a Finite Population - PHILLIP S. KOTT, Energy Information Administration
............... 176
Mixed Design Based and Model
Based Strategies in Survey Sampling - STEPHEN M. WOODRUFF, U.S. Bureau
of Labor Statistics ............... 179
A Linear Model Approach to the
Estimation of Survey Redesign Effects - EDWARD GBUR, CHARLES ALEXANDER,
U.S. Bureau of the Census ............... 185
Estimation of Variances of Averages
Based on Overlapping Samples in Repeated Surveys - B. QUENNEVILLE, K.P.
SRINATH, Statistics Canada ............... 189
Making Tables Additive in the
Presence of Zeroes - JAMES FAGAN, BRIAN GREENBERG, U.S. Bureau of the
Census ............... 195
Testing Equality of Vectors of
Proportions for Several Cluster Samples - JEFFREY R. WILSON, Oklahoma
State University; KENNETH J. KOEHLER, Iowa State University ...............
201
A Monte Carlo Study of Exact
Levels of Goodness-of-Fit Statistics Under Cluster Sampling - D. ROLAND
THOMAS, J.N.K. RAO, Carlton University ............... 207
Correspondence Analysis as a
Tool for Survey Statisticians - MARGARET J. KRIER, J. EDWARD JACKSON,
Eastman Kodak Company ............... 212
An Empirical Study on Maximizing
(or Minimizing) the Number of Retentions in Unequal Probability Sampling Without
Replacement: Two Units Per Stratum - HOW TSAO, TOMMY WRIGHT, Oak Ridge
National Laboratory ............... 218
PPES Sampling of Two Subdomains
with Independent Probabilities - JESSE POLLOCK, U.S. Bureau of the Census
............... 223
A Plan for Providing Consistent
Evaluations of Area Sampling Frames Among Field Offices - JEFFREY K. GEUDER,
ROBERT D. TORTORA, U.S. Department of Agriculture ............... 228
Integrated Multiple Frame Sample
Surveys - ROBERT VOGEL, DONNA BROGAN, Emory University ...............
233
Exact Matching Using Elementary
Techniques - WILLIAM E. WINKLER, Energy Information Administration ...............
237
Export Stratification Alternatives
in the International Price Program - KAREN K. HESS, GWYN R. FERGUSON,
U.S. Bureau of Labor Statistics ............... 243
Using Sample Information for
Stratification - DAVID R. JUDKINS, HERTZ HUANG, GARY M. SHAPIRO, U.S.
Bureau of the Census ............... 248
Using Single-County vs. Multi-County
as a Primary Sampling Unit - JAMES HARTMAN, RANDALL PARMER, HERTZ HUANG,
DENNIS SCHWANZ, U.S. Bureau of the Census ............... 254
A Study of the Relationship Between
the Number of Sample PSUs and Between-PSU Variance - DAVID L. HUBBLE,
CHARLES H. ALEXANDER, DAVID R. JUDKINS, RAJENDRA P. SINGH, U.S. Bureau of
the Census ............... 259
The Impact of Bias on Dual Frame
Survey Design - JAMES M. LEPKOWSKI, ROBERT M. GROVES, University of Michigan
............... 265
Reducing Interviewer Screening
and Controlling Sample Size in a Local-Area Telephone Survey - MARTHA
J. BANKS, University of Chicago; DAN E. HAGAN, Chilton Research Services ...............
271
Considerations for Including
Special Places in Telephone Surveys - GRETCHEN K. JONES, JAMES T. MASSEY,
National Center for Health Statistics; MICHAEL TENEBAUM, U.S. Bureau of the
Census ............... 274
A Comparison of Listed and Randomly
Dialed Telephone Numbers - BRYCE D. LANDENBERGER, ROBERT M. GROVES, JAMES
M. LEPKOWSKI, University of Michigan ............... 280
Improving the Plus 1 Method of
Random Digit Dialing - DHIREN GHOSH, JRB Associates ............... 285
An Investigation of PSU Cutoff
Points for a Random Digit Dialing Survey - CARMA R. HOGUE, DAVID W. CHAPMAN,
U.S. Bureau of the Census ............... 286
Discussion - WILLIAM L. NICHOLLS
II, U.S. Bureau of the Census ............... 292
Linking IRS and Census Data to Produce Intercensal
Income Estimates: An Exploration - EVELYN S. MANN, JOSEPH J. SALVO, New
York City Department of City Planning ............... 295
Matching IRS Records to Census Records: Some
Problems and Results - DANNY R. CHILDERS, HOWARD HOGAN, U.S. Bureau of
the Census ............... 301
Evaluation of Alternative Small Area Estimators
Using Administrative Records - M.A. HIDIROGLOU, M. MORRY, E.B. DAGUM,
Statistics Canada; J.N.K. RAO, Carleton University; C.E. SARNDAL, Université
de Montréal ............... 307
The Income Dependency of Taxfiler Migrants
on Unemployment Insurance Benefits: A Case Study of Thompson, Manitoba
- JOHN LEYES, Statistics Canada ............... 314
Analysis of Inner City Census Coverage Using Local Hospital Administrative Records - MARGARET S. BOONE, DAVID C. WHITFORD, U.S. Bureau of the Census ............... 319
An Experimental Project to Improve the Reporting
of Selected Costs in the 1980 Census - JANET A. TIPPETT, U.S. Bureau of
the Census ............... 323
Post '81 Censal Redesign of the Canadian Labour
Force Survey - M.P. SINGH, J.D. DREW, G.H. CHOUDHRY, Statistics Canada
............... 329
Methods of Collecting Agricultural Statistics
in the People's Republic of China - RON FECSO, U.S. Department of Agriculture
............... 335
A Comparison of the US National Health Interview
Survey (HIS) and the Indian National Sample Survey (NSS) - DANIEL H. FREEMAN,
Jr., Yale University School of Medicine ............... 341
Sample Design for the Hispanic Health and Nutrition
Examination Survey, 1982-84 - JOE FRED GONZALEZ, Jr., ANDREW A. WHITE,
TRENA EZZATI, National Center for Health Statistics ............... 347
Design and Analysis of a Socioeconomic Survey
of Marine Recreational Fishing - RICHARD BOLSTEIN, George Mason University;
ROBERT L. HIETT, KATHRYN A. CHANDLER, AUDREY K. RENIERE, KCA Research, Incorporated
............... 353
70th Year of Statistics of Income - DAVID
PARIS, KEITH GILMOUR, Internal Revenue Service ............... 357
The Potential of the Canadian Personal Income
Tax File as a Source of Family Data - EDOUARD AUGER, Statistics Canada
............... 363
Flow Data from Unemployment Insurance Records
- J. SELLEY, L. STANDISH, J. LEYES, Statistics Canada ...............
369
Discussion - ROY W. WHITMORE, Research
Triangle Institute ............... 375
Male-Female Income Distributions in Four Canadian
Metropolitan Areas: An Application Using Personal Income Tax Data - C.
DAGUM, G. GRENIER, University of Ottawa; D. NORRIS, M. BEDARD, Statistics
Canada ............... 378
Continuing the IRS Estimates of Personal Wealth
in the United States - MARY F. BENTZ, MARVIN SCHWARTZ, Internal Revenue
Service ............... 384
Methodology for the "1980 National Natality
Survey/National Death Index Match" Project - PAUL PLACEK, KEN KEPPEL,
CATHERINE COLEMAN, AVIS WALKER, VANETTA WASHINGTON, National Center for Health
Statistics ............... 390
Plans for the 1986 National Mortality Followback
Survey - ISADORE SEEMAN, GAIL S. POE, JOSEPH P. BARBANO, National Center
for Health Statistics ............... 394
Medical Source Refusals in the 1980 National
Natality and Fetal Mortality Surveys - GLORIA SIMPSON, National Center
for Health Statistics ............... 399
NCHS Pilot Study for a National Cause-of-Death
Validation Study - FRANCES C. EDMONDS, LESTER R. CURTIN, PATRICIA N. ROYSTON,
National Center for Health Statistics ............... 405
1980 AHA Hospital and National Natality/Fetal
Mortality Survey Linkage Methodology - DAVID P. JOHNSON, TERI L. LISS,
CECILIE A. WITT, National Center for Health Statistics ............... 411
Matrix Sampling and the Effects of Using Hot
Deck Imputation - SUSAN M. HINKINS, Internal Revenue Service ...............
415
A Flexible and Interactive Edit and Imputation
System for Ratio Edits - BRIAN GREENBERG, RITA SURDI, U.S. Bureau of the
Census ............... 421
Link Relative Estimation for Missing Windfall
Profit Tax Returns - JAMES M. HARTE, BONNYE WALKER, Internal Revenue Service
............... 427
Model-Based Small Area Estimation of Unemployment--A
Canadian Experience - S. EARWAKER, N. BRIEN, J.F. GOSSELIN, Statistics
Canada ............... 433
Sampling Corporation Income Tax Returns for
Statistics of Income, 1951 to Present - HOMER W. JONES, PAUL B. McMAHON,
Internal Revenue Service ............... 437
Evaluation of the IRS Corporate SOI Sample
- ROBERT P. CLICKNER, GLENN J. GALFOND, LAWRENCE A. THIBODEAU, Applied Management
Sciences, Incorporated ............... 443
Discussion - ROBERT E. FAY, U.S. Bureau
of the Census ............... 449
Estimating Intracluster Homogeneity in Multistage
Samples - ANNE F. CLEMMER, WILLIAM D. KALSBEEK, University of North Carolina
at Chapel Hill ............... 452
A Comparison of Methods for Estimating the
Intraclass Correlation of Blood Pressure - BEVERLY MARTINEZ, DONNA BROGAN,
Emory University ............... 458
Capture-Recapture Models When Both Sources
Have Clustered Observations - CHARLES D. COWAN, U.S. Bureau of the Census;
DONALD J. MALEC, Ohio State University ............... 461
Improving Stability of Annual State Waterfowl
Harvest Estimates in Highly-Skewed Data - LOIS M. MOYER, PAUL H. GEISSLER,
Patuxent Wildlife Research Center ............... 467
Estimation of Animal Population Trends and
Annual Indices from a Survey of Call-Counts or Other Indications - PAUL
H. GEISSLER, Patuxent Wildlife Research Center ............... 472
Preliminary Estimates for the National Crime
Survey Using Regression and Time Series - PAUL G. WAKIM, U.S. Bureau of
the Census ............... 478
Simplifying Complex Samples with the Bootstrap
- BRUCE D. SPENCER, Northwestern University and Stanford University ...............
484
Computing Variances from Complex Samples with
Replicate Weights - CATHRYN S. DIPPO, U.S. Bureau of Labor Statistics;
ROBERT E. FAY, U.S. Bureau of the Census; DAVID H. MORGANSTEIN, Westat, Incorporated
............... 489
Some Properties of Estimates of Variance Based
on Replication Methods - ROBERT E. FAY, U.S. Bureau of the Census ...............
495
Some Model Based Variance Estimators
for Proportions from Cluster Sample Surveys When the Denominator is Known
- JAI W. CHOI, National Center for Health Statistics ............... 501
A Comparison of Alternative
Variance Estimation Strategies for Complex Survey Data - VICKI L. BURT,
STEVEN B. COHEN, National Center for Health Services Research ...............
507
Post Office Effectiveness - KATHRYN F.
THOMAS, DAVID C. WHITFORD, U.S. Bureau of the Census ............... 513
Evaluation of the 1980 Census
Precanvass Coverage Improvement Operations - MILTON C. FAN, MARTHA L.
SUTT, JOHN H. THOMPSON, U.S. Bureau of the Census ............... 519
Misclassified/Occupied and H-4
Edit Coverage Operations - GEORGE SLEDGE, THOMAS HARAHUSH, ROBERT O'BRIEN,
U.S. Bureau of the Census ............... 525
The 1980 Census Nonhousehold
Sources Program - CATHERINE KEELEY, JOHN THOMPSON, U.S. Bureau of the
Census ............... 531
The Prelist Recanvass and Local
Review Coverage Improvement Operations - M. LUECK, T. HARAHUSH, G. SLEDGE,
U.S. Bureau of the Census ............... 537
Relative Coverage in the 1980
Census of Puerto Rico - ROBERT F. O'BRIEN, U.S. Bureau of the Census ...............
541
Discussion - MARIA E. GONZALEZ,
Office of Management and Budget ............... 547
Estimation Through the Procedure
of Subsampling the Nonrespondents - PODURI S.R.S. RAO, University of Rochester;
J. EDWARD JACKSON, Eastman Kodak Company ............... 550
Effect on Mean Square Error
of Dividing into Additional Noninterview Cells - RICHARD A. GRIFFIN, U.S.
Bureau of the Census ............... 554
Some Empirical Investigations
of Nonresponse in Surveys with Callbacks - J.H. DREW, G. RAY, GTE Laboratories,
Incorporated ............... 560
Estimates of Undercount in the
1980 Census - CHARLES D. COWAN, ROBERT E. FAY, U.S. Bureau of the Census
............... 566
Unintentional Re-Sampling of
Individuals and Households - HAKAN L. LINDSTROM, Statistics Sweden ...............
572
Record Linkage for the 1982 Census of Agriculture
Mail List Development Using Multiple Sources - JANE Y. DEA, TOMMY W. GAULDEN,
D. DEAN PROCHASKA, U.S. Bureau of the Census ............... 576
Coverage Evaluation for the
1982 Census of Agriculture - WILLIAM C. DAVIE, EMILY LORENZEN, D. DEAN
PROCHASKA, U.S. Bureau of the Census ............... 582
Evaluation of the Effectiveness
of Data Collection Procedures for the 1982 Census of Agriculture - DONNA
R. RUGGLES, JANE Y. DEA, FLORA K. KWOK, CINDY A. CARMAN, U.S. Bureau of the
Census ............... 588
Computer-Assisted Telephone
Interviewing - PAMELA W. FERRARI, RICHARD R. STORM, FRANCIS D. TOLSON,
U.S. Bureau of the Census ............... 594
Comparability of Data from the
Censuses of Agriculture - CYNTHIA Z.F. CLARK, U.S. Bureau of the Census
............... 600
Discussion - FRED A. VOGEL,
U.S. Department of Agriculture ............... 606
Discussion - RONALD C. WIMBERLEY,
North Carolina State University ............... 608
An Imputation Study for the
Monthly Retail Trade Survey - ELIZABETH T. HUANG, U.S. Bureau of the Census
............... 610
Comparison of Alternative Model-Based
Estimators for the Proportion of Housing Units Victimized by Crime During
a Year - CHARLES H. ALEXANDER, U.S. Bureau of the Census ...............
616
Strategies for the Analysis
of Imputed Data in a Sample Survey - JAMES M. LEPKOWSKI, SHARON A. STEHOUWER,
J. RICHARD LANDIS, University of Michigan ............... 622
Imputation in Sample Surveys:
The Effect on Small Domain Estimates - MARY GRACE KOVAR, National Center
for Health Statistics ............... 628
Compensating for Missing Values
and Invalid Responses in Contingent Valuation Surveys - RICHARD T. CARSON,
University of California at Berkeley ............... 634
Comparison of Statistics from
a Cross-Sectional and a Panel Survey - JIMMIE D. GIVENS, JAMES T. MASSEY,
National Center for Health Statistics ............... 640
Data Collection Frequency Effect
in the National Medical Care Expenditure Survey - STEVEN B. COHEN, VICKI
L. BURT, National Center for Health Services Research ............... 646
Temporal Patterns of Response
Errors in Retrospective Reports of Unemployment and Occupation - NANCY
A. MATHIOWETZ, GREG J. DUNCAN, University of Michigan ............... 652
Controlling Response Error in
the Current Employment Statistics Survey - GEORGE S. WERKING, ALAN R.
TUPEK, U.S. Bureau of Labor Statistics ............... 658
Reporting Alcohol Consumption:
The Problem of Response Validity - JENNIFER J. WATERTON, Social &
Community Planning Research, London ............... 664
Obtaining Cross-Sectional Estimates from a
Longitudinal Survey: Experiences of the Income Survey Development Program
- HERTZ HUANG, U.S. Bureau of the Census ............... 670
Weighting of Persons for SIPP
Longitudinal Tabulations - DAVID JUDKINS, DAVID HUBBLE, JAMES DORSCH,
DAVID McMILLEN, LAWRENCE ERNST, U.S. Bureau of the Census ...............
676
Longitudinal Family and Household
Estimation in SIPP - LAWRENCE R. ERNST, DAVID L. HUBBLE, DAVID R. JUDKINS,
U.S. Bureau of the Census ............... 682
Longitudinal Item Imputation
in a Complex Survey - MICHAEL E. SAMUHEL, VICKI HUGGINS, U.S. Bureau of
the Census ............... 688
Early Indications of Item Nonresponse
on the Survey of Income and Program Participation - JOHN F. CODER, ANGELA
M. FELDMAN, U.S. Bureau of the Census ............... 693
An Experimental Measurement of
Total Survey Error - ROBERT M. GROVES, LOU MAGILAVY, University of Michigan
............... 698
Estimation of Interviewer Variance
for Categorical Variables - S. LYNNE STOKES, University of Texas at Austin;
MARY H. MULRY-LIGGAN, U.S. Bureau of the Census ............... 704
A Longitudinal Analysis of Bounding,
Respondent Conditioning, and Mobility as Sources of Panel Bias in the National
Crime Survey - ALBERT D. BIDERMAN, DAVID CANTOR, Bureau of Social Science
Research, Incorporated ............... 708
Rotation Group Bias and the Methods
Test Panel - JOHN M. IRVINE, Washington, D.C ............... 714
Evaluation of a Five-State Pilot
for an SIC Refiling and Quality Measurement System - SUSAN C. HOSTETTER,
KAREN VLASEK O'CONOR, U.S. Bureau of Labor Statistics ............... 720
Month-to-Month Recipiency Turnover
in the ISDP - JEFFREY C. MOORE, DANIEL KASPRZYK, U.S. Bureau of the Census
............... 726
The Student Follow-Up Investigation
of the 1979 Income Survey Development Program - ANTHONY M. ROMAN, DIANE
V. O'BRIEN, U.S. Bureau of the Census ............... 732
The ISDP 1979 Research Panel
as a Methodological Survey: Implications for Substantive Analysis - RICHARD
A. KULKA, Research Triangle Institute ............... 738
Discussion - RICHARD C. ROCKWELL,
Social Science Research Council ............... 744
Some Data Collection Issues for
Panel Surveys with Application to the Survey of Income and Program Participation
- ANNE C. JEAN, EDITH K. McARTHUR, U.S. Bureau of the Census ...............
745
Managing the Data from the 1979
Income Survey Development Program - PAT DOYLE, Mathematica Policy Research;
CONSTANCE F. CITRO, National Academy of Sciences ............... 751
Discussion - GREG J. DUNCAN,
Survey Research Center ............... 757
Experiments in Surveys: Information
Treatments in Evaluating a New Technology - DANIEL H. HILL, University
of Michigan ............... 760
Issues in Using Survey Research Methods to
Aid Jury Selection - JAMES E. PRATHER, ROBERT E. SNOW, JOHN D. HUTCHESON,
Jr., Georgia State University ............... 765
Statistics of Income Studies of International
Income and Taxes: An Overview - ARTHUR GIANELOS, JAMES HOBBS, Internal
Revenue Service ............... 771
CTSS/CUSUM Applications to Intervention Analysis
- TURKAN K. GARDENIER, TKG Consultants, Limited ............... 777
Standardized Survey Interviewing - FLOYD
J. FOWLER, Jr., THOMAS W. MANGIONE, University of Massachusetts-Boston ...............
782
Application of the EM Algorithm to Randomized
Response Data - PATRICK D. BOURKE, MICHAEL A. MORAN, University College,
Cork, Ireland ............... 788
Randomized Response Ratio Estimates: Bias and
Efficiency - ABDEL-LATIF A. ABUL-ELA, SULTAN M. ABDEL HAMIED, University
of Mansoura, Egypt ............... 794
On Scrambled Response of Sensitive Quantitative
Data - M. AHSANULLAH, B.H. EICHHORN, Rider College ............... 800
Salary Survey of Mathematicians and Statisticians
- G.H. BEATTY, F.R. TODT, Battelle Columbus ............... 803
Interviewer Characteristics and Performance
on a Complex Health Survey - MARC L. BERK, AMY B. BERNSTEIN, National
Center for Health Services Research ............... 808
Empirical Findings on the Distribution and
Construction of Longitudinal Families, Part I: Modeling the Universe, Inscope
Changes, and Static and Dynamic Families - MARVIN DICKER, ROBERT J. CASADY,
National Center for Health Statistics ............... 813
Synthetic Estimation When Only Partial Symptomatic
Information is Available - THOMAS GERIG, North Carolina State University;
TERESA LOPEZ ALVAREZ, Mexico City ............... 819
Optimum Stratification for Clam Surveys
- RONALDO IACHAN, CHRISTOPHER T. GLEDHILL, Iowa State University ...............
825