Cynthia Z' F' Clark, Director Methodology Directorate, Office for National Statistics, UK

1
Cynthia Z. F. Clark,Director Methodology
Directorate,Office for National Statistics, UK
2
Roles of Survey Statisticians in Managing Data
Quality

• Current and changing roles of survey
  statisticians
• Responsibility for protecting quality vs. cost
• Important methodological issues in optimizing
  quality

3
Current and Changing Roles of Survey Statisticians

• Set standards for quality including and beyond
  data accuracy
• Design quality control procedures but focus more
  on quality assurance plans
• Provide consultation on improving quality in
  outputs

4
Current and Changing Roles of Survey
Statisticians (contd)

• Lead Total Quality Management Program in NSI
• Develop plans and participate in reviews of
  quality for data products
• Participate in quality audits

5
Responsibility for Protecting Quality re Cost

• Inform organization about
• the overall quality threshold for an output
• Provide optional design approaches to protect
  quality at different levels of cost
• Identify limits of reductions to maintain quality

6
Important Methodological Issues in Optimizing
Quality

• Improvements to overall survey design
• Participation in frame development and evaluation
• Improve survey questionnaires associated edits
• Design redesign survey samples

7
Important Methodological Issues in Optimizing
Quality (contd)

• Assist organization in establishing appropriate
  balance between data collection, data review, and
  data editing/imputation
• Provide tools for subject matter analysts to use
  to review the survey operation
• Periodically conduct quality profiles