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UN/ECE Work Session on Statistical Data Editing

An embedded experiment to test non-response follow-up strategies when using electronic questionnaires. UN/ECE Work Session on Statistical Data Editing Topic (iv): Using metadata and paradata to analyse the efficiency of editing processes. Claude Poirier *

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UN/ECE Work Session on Statistical Data Editing

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  1. An embedded experiment to testnon-response follow-up strategieswhen using electronic questionnaires UN/ECE Work Session on Statistical Data Editing Topic (iv): Using metadata and paradata to analyse the efficiency of editing processes Claude Poirier* Oslo, Norway, 24 – 26 September 2012 * Work carried out by Jeannine Claveau and Claude Turmelle

  2. Outline • Overview of the Unified Enterprise Survey Collection • Methodology of the Experimental Design • Results • Future work Statistics Canada • Statistique Canada

  3. UES Web-based Collection • Electronic Questionnaires (EQ) for 7 surveys • 6 service industries – stratified samples • Head Office Survey – census • Telephone pre-contact • Confirm industrial classification and ask e-mail address • EQ invitation to units with e-mail addresses • Telephone follow-up on failed edits • Follow-up of non-respondents • Experimental design Statistics Canada • Statistique Canada

  4. Objectives of the Experiment • Evaluate four non-response follow-up strategies when using EQ for annual business surveys • Some questions to be answered: • Which strategy produces the best response rates? • Which strategy is the most efficient? • How far can we get with e-mail reminders only? • What is the importance of having at least the first follow-up contact by phone? Statistics Canada • Statistique Canada

  5. Experimental Design 9,324 units 6,457 units (70%) Statistics Canada • Statistique Canada

  6. Statistics Canada • Statistique Canada

  7. Statistics Canada • Statistique Canada

  8. Statistics Canada • Statistique Canada

  9. Statistics Canada • Statistique Canada

  10. Statistics Canada • Statistique Canada

  11. Statistics Canada • Statistique Canada

  12. Percentage of units receiving NRFU Statistics Canada • Statistique Canada

  13. Savings Statistics Canada • Statistique Canada

  14. Summary of results • E-mail reminders generated “spikes” in responses • Sending only e-mail reminders achieved a 45% response rate at very little cost • Collection staff can catch up to target response rate at the end of the collection period, when needed. • E-mail reminders help to reduce the cost in terms of call attempts (≈ 30%) and TPU (≈ 25%) • Treatment 2 was the most efficient Statistics Canada • Statistique Canada

  15. Future Work • Treatment 2 will become the standard for EQ • All UES surveys will continue to collect e-mail addresses • In 2014, we will implement EQ as the principal collection mode for business surveys • An active collection management based on estimates and their quality will be implemented in order to further reduce telephone follow-up Statistics Canada • Statistique Canada

  16. Thank you Merci For more information, please contact: Pour plus d’information, veuillezcontacter : Claude.Poirier@statcan.gc.ca Jeannine.Claveau@statcan.gc.ca Claude.Turmelle@statcan.gc.ca Claude Poirier Jeannine Claveau Claude Turmelle Statistics Canada • Statistique Canada

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