Statistics and Methodology

ORCA’s statisticians and methodologists have established innovations in all aspects of survey research, from understanding cognitive processes underlying respondents' reactions to surveys, to rigorous, efficient methods for conducting surveys, to advanced techniques for analyzing and interpreting survey data. Capabilities include:

  • Sample design and execution, including the national sample frame
  • Questionnaire and instrument design and testing
  • Variance estimation
  • Statistical computing
  • Disclosure analysis and confidentiality protection
  • Missing data techniques
  • Cognitive interviews
  • Focus groups