Koch, Achim

• Vol 3, No 2 (2009) - Field Reports
  Data Collection Quality Assurance in Cross-National Surveys: The Example of the ESS
  Abstract  PDF (Deutsch)
• Vol 7, No 1 (2013) - Research Reports
  Respondent Incentives in a National Face-to-Face Survey: Effects on Outcome Rates, Sample Composition and Fieldwork Efforts
  Abstract  PDF