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Statistics and Methodology

Decision makers need reliable objective data and analysis to inform policy and allocate resources.  In a time where modes of communications continue to evolve at rapid rates and reaching and engaging respondents remains challenging, the NORC Statistics and Methodology department plays a critical role in designing and implementing successful surveys and analyzing the resulting data.

The Statistics and Methodology department pioneers innovations in all aspects of survey research.  NORC statisticians and methodologists help understand the cognitive processes underlying respondents’ reactions to surveys; design and implement rigorous, efficient methods for sampling from populations and weighting resultant survey data; and employ advanced techniques for analyzing and interpreting survey and secondary data.  The department collaborates with all NORC research departments and the Academic Research Centers, as well as conducts research in its own field.

The Center for Excellence in Survey Research is a related program that also helps insure the statistical integrity of the work performed at NORC.

Major Capabilities

  • Statistical Sampling Methodology
    • Sample Frame Creation and Maintenance
    • National Frame Sample Design
    • Address-Based Sampling (ABS)
    • Random Digit Dial (RDD) Sampling
    • Data Imputation
    • Survey Weighting Methods
    • Variance Estimation
    • Small Area Estimation
    • Total Survey Error Estimation
  • Survey Data Collection Methodology
    • Questionnaire Design
    • Cognitive Interviewing
    • Focus Groups
    • Psychometrics
    • Response Error Mechanisms
    • Nonresponse Mechanisms
  • Data Dissemination
    • Disclosure Analysis
    • Data Suppression

Data Analysis

    • Generalized Linear Models
    • Logistic Regression
    • Factor Analysis
    • Survival Analysis
    • Categorical Data Analysis
    • Item Response Theory
    • Structural Equation Models
    • Program Evaluation
    • Economic Analysis
    • Analysis of Variance
    • Integrated Data Systems

Special Capabilities

In addition to NORC's core capabilities, the Statistics and Methodology Department has advanced skills in:

  • Geographical information systems
  • Statistical computing
  • Administrative Records Research

Representative Projects

2010 National Sample Frame. U.S. households are the primary unit for sample selection for many studies, but sample frames for households can be difficult and expensive to create. In order to provide a sample frame for use by many surveys, NORC has constructed the 2010 National Sample Frame, based on the 2010 Census information. This sample is representative of over 99% of U.S. households and provides a listing of almost 3 million households, including over 80,000 rural households. More

2012 NORC Presidential Election Study. The 2012 NORC Presidential Election Study was conducted in the weeks prior to the Presidential election to measure public opinion about important issues the country faces – economic recovery, health care costs, and extreme partisanship. More

Census PVS Assessment. As part of the Person Identification Validation System Assessment engagement with the Census Bureau, NORC has conducted a review of the Census Bureau’s record linkage methods associated with the PVS, as well as an environmental scan of record linkage methods used by other government agencies—both within and outside of the U.S.—and private enterprises.  More

Headlines

All News

Published Research "Small Primary Care Physician Practices Have Low Rates of Preventable Hospital Admissions.", Casalino, L.P., Pesko, M.F., Ryan, A.M., Mendelsohn, J.L., Copeland, K.R., Ramsay. P.P., Sun, X., Rittenhouse, D.R. and Shortell, S.M., 2014 More
Posted: 9.19.2014 9:39AM
Published Research "A Complementarity Approach to Solving Computable General Equilibrium Models.", Choi, S-C.T., 2014 (forthcoming) More
Posted: 9.11.2014 9:21AM
Published Research "Applying a Total Error Perspective for Improving Research Quality in the Social, Behavioral, and Marketing Sciences.", Lavrakas, P.J., 2013 More
Posted: 9.3.2014 9:12AM
Published Research "The 2003 Survey of Small Business Finances: Methodology Report.", Potok, N., Bailey, R., Sherman, B., Harter, R.M., Yang, Y.M., Chapline, J. and Bartolone, J.B., 2005 Download the PDF
Posted: 6.27.2014 12:47PM
Published Research "Algorithm 937: MINRES-QLP for Symmetric and Hermitian Linear Equations and Least-Squares Problems.", Choi, S-C.T. and Saunders, M.A., 2014 Download the PDF
Posted: 6.25.2014 9:59AM
Published Research "Algorithm and Documentation: MINRES-QLP for Singular Symmetric and Hermitian Linear Equations and Least-Squares Problems.", Choi, S-C.T. and Saunders, M.A., 2013 Download the PDF
Posted: 6.25.2014 9:56AM
Published Research "MINRES-QLP: A Krylov Subspace Method for Indefinite or Singular Symmetric Systems.", Choi, S-C.T., Paige, C.C. and Saunders, M.A., 2011 More
Posted: 6.25.2014 9:55AM
Published Research "A Painless AMPL/PATH Tutorial Introduction to Solving Complementarity Problems with a Case Study from CIM-EARTH.", Choi, S-C.T., 2013 Download the PDF
Posted: 6.25.2014 9:53AM
Published Research "MINRES-QLP Pack and Reliable Reproducible Research via Staunch Scientific Software.", Choi, S-C.T., 2014 Download the PDF
Posted: 6.25.2014 9:51AM
Published Research "OSCEF APIs.", Choi, S-C.T. and Munson, T., 2013 Download the PDF
Posted: 6.25.2014 9:42AM
Published Research "Minimal Residual Methods for Complex Symmetric, Skew Symmetric, and Skew Hermitian Systems.", Choi, S-C.T., 2014 Download the PDF
Posted: 6.25.2014 9:41AM
Published Research "OSCEF: The Open-Source CIM-EARTH Framework User Manual for Version 1.0.", Choi, S-C.T. and Munson, T., 2014 Download the PDF
Posted: 6.25.2014 9:39AM
Published Research "1991 Survey on Best Hospitals.", Hill, C.A., Rubin, R.M. and Bradley, M.A., 1991 Download the PDF
Posted: 6.11.2014 12:35PM
Published Research "A City-Based Design that Attempts to Improve National Representativeness of Asians.", Pedlow, S.E., 2014 More
Posted: 6.11.2014 11:48AM
Published Research "Special Issue on Surveying the Hard-to-Reach.", Willis, G.B., Smith, T.W., Shariff-Marco, S. and English, E.M. (eds)., 2014 More
Posted: 6.11.2014 11:47AM

News

News NORC's Whitney Murphy discusses statistics management More
Posted: 10.2.2013 4:22PM
News The value of census surveys More
Posted: 7.20.2012 3:46PM
Press Release NORC Opens New Offices in Atlanta More
Posted: 4.16.2012 4:16PM
News Valentine's Day: or, how I learned to be a more attentive husband with help from the GSS and NLSY More
Posted: 2.3.2012 3:45PM
News "Who's Happier: Conservatives or Liberals?" with studies from the GSS More
Posted: 11.18.2011 2:07PM
News "The Fighter Fallacy" cites General Social Survey in looking at Occupy Wall Street and income redistribution More
Posted: 10.25.2011 4:09PM
News The "Last Place Aversion" Paradox, a look at Wall Street psychology, Occupy Wall Street and the GSS More
Posted: 10.13.2011 3:53PM
News GSS helps provides data for "Who We Are: Hispanics" report More
Posted: 10.13.2011 10:54AM
News GSS reports 40-year low in America's view of Wall Street More
Posted: 10.7.2011 12:09PM

Events

Publications

"Small Primary Care Physician Practices Have Low Rates of Preventable Hospital Admissions.", Casalino, L.P., Pesko, M.F., Ryan, A.M., Mendelsohn, J.L., Copeland, K.R., Ramsay. P.P., Sun, X., Rittenhouse, D.R. and Shortell, S.M., 2014 More
Posted: 9.19.2014 9:39AM
"A Complementarity Approach to Solving Computable General Equilibrium Models.", Choi, S-C.T., 2014 (forthcoming) More
Posted: 9.11.2014 9:21AM
"Applying a Total Error Perspective for Improving Research Quality in the Social, Behavioral, and Marketing Sciences.", Lavrakas, P.J., 2013 More
Posted: 9.3.2014 9:12AM
"The 2003 Survey of Small Business Finances: Methodology Report.", Potok, N., Bailey, R., Sherman, B., Harter, R.M., Yang, Y.M., Chapline, J. and Bartolone, J.B., 2005 Download the PDF
Posted: 6.27.2014 12:47PM
"Algorithm 937: MINRES-QLP for Symmetric and Hermitian Linear Equations and Least-Squares Problems.", Choi, S-C.T. and Saunders, M.A., 2014 Download the PDF
Posted: 6.25.2014 9:59AM
"Algorithm and Documentation: MINRES-QLP for Singular Symmetric and Hermitian Linear Equations and Least-Squares Problems.", Choi, S-C.T. and Saunders, M.A., 2013 Download the PDF
Posted: 6.25.2014 9:56AM
"MINRES-QLP: A Krylov Subspace Method for Indefinite or Singular Symmetric Systems.", Choi, S-C.T., Paige, C.C. and Saunders, M.A., 2011 More
Posted: 6.25.2014 9:55AM
"A Painless AMPL/PATH Tutorial Introduction to Solving Complementarity Problems with a Case Study from CIM-EARTH.", Choi, S-C.T., 2013 Download the PDF
Posted: 6.25.2014 9:53AM
"MINRES-QLP Pack and Reliable Reproducible Research via Staunch Scientific Software.", Choi, S-C.T., 2014 Download the PDF
Posted: 6.25.2014 9:51AM
"OSCEF APIs.", Choi, S-C.T. and Munson, T., 2013 Download the PDF
Posted: 6.25.2014 9:42AM
"Minimal Residual Methods for Complex Symmetric, Skew Symmetric, and Skew Hermitian Systems.", Choi, S-C.T., 2014 Download the PDF
Posted: 6.25.2014 9:41AM
"OSCEF: The Open-Source CIM-EARTH Framework User Manual for Version 1.0.", Choi, S-C.T. and Munson, T., 2014 Download the PDF
Posted: 6.25.2014 9:39AM
"1991 Survey on Best Hospitals.", Hill, C.A., Rubin, R.M. and Bradley, M.A., 1991 Download the PDF
Posted: 6.11.2014 12:35PM
"A City-Based Design that Attempts to Improve National Representativeness of Asians.", Pedlow, S.E., 2014 More
Posted: 6.11.2014 11:48AM
"Special Issue on Surveying the Hard-to-Reach.", Willis, G.B., Smith, T.W., Shariff-Marco, S. and English, E.M. (eds)., 2014 More
Posted: 6.11.2014 11:47AM

Job Postings

Programmer Analyst (SAS, Blaise) - Survey Research More
Posted: 4.16.2014 5:13PM
Communications Specialist – Website Design and Promotion More
Posted: 4.16.2014 5:12PM

Contacts

Kennon R. Copeland

(301) 634-9432

Senior Staff

Kennon R. Copeland

Kennon R. Copeland
Senior Vice President and Director

Lisa Lee

Lisa Lee
Senior Survey Methodologist

Ned English

Ned English
Senior Survey Methodologist

See all Statistics and Methodology experts