Barbier, S., C. Wuyts, P. Italiano, and G. Loosveldt. 2016. European Social Survey Round 7 Belgium: Process evaluation for the data collection. Leuven: KU Leuven.
Beullens, K., J. Billiet, and G. Loosveldt. 2009. Selection strategies for refusal conversion of four countries in the European Social Survey, 3rd round. Leuven: KU Leuven.
Beullens, K., G. Loosveldt, C. Vandenplas C., and I. Stoop. 2018. “Response rates in the European Social Survey: Increasing, decreasing, or a matter of fieldwork efforts? Survey methods: Insights from the field.” Available at: https://surveyinsights.org/?p=9673 (accessed May 2020).
Blom, A., E. de Leeuw, and J. Hox. 2011. “Interviewer effects on nonresponse in the European Social Survey.” Journal of Official Statistics 27(2): 359–377. Available at: https://www.scb.se/contentassets/ca21efb41fee47d293bbee5bf7be7fb3/interviewer-effects-on-nonresponse-in-the-european-social-survey.pdf (accessed May 2020).
Curtin, R., S. Presser, and E. Singer. 2000. “The effects of response rate changes on the index of consumer sentiment.” Public Opinion Quarterly 64(4): 413–428. DOI: https://doi.org/10.1086/318638.10.1086/31863811171024
Durrant, G., R. Groves, L. Staetsky, and F. Steele. 2010. “Effects of interviewer attitudes and behaviors on refusal in household surveys”. Public Opinion Quarterly 74(1): 1–36. DOI: https://doi.org/10.1093/poq/nfp098.10.1093/poq/nfp098
O’Muircheartaigh, C. and P. Campanelli. 1999. “A multilevel exploration of the role of interviewers in survey non-response.” Journal of the Royal Statistical Society: Series A (Statistics in Society) 162(3): 437–446. DOI: https://doi.org/10.1111/1467-985X.00147.10.1111/1467-985X.00147
Stoop, I., A. Koch, V. Halbherr, R. Fitzgerald, and S. Widdop. 2014. Field procedures in the European Social Survey Round 7: Enhancing response rates. The Hague: European Social Survey, SCP. Available at: http://www.europeansocialsurvey.org (accessed June 2020).
Tarnai, J. and D.L. Moore. 2008. “Measuring and improving telephone interviewer performance and productivity.” In Advances in telephone survey methodology, edited by E. de Leeuw, L. Japec, P.J. Lavrakas, M.W. Link, and R.L. Sangster. pp. 359–384, Hoboken, New Jersey: John Wiley & Sons.10.1002/9780470173404.ch17
Wright, G. 2015. “An empirical examination of the relationship between nonresponse rate and nonresponse bias.” Statistical Journal of the IAOS 31(2): 305–315. DOI: https://doi.org/10.3233/sji-140844.10.3233/sji-140844
Wuyts, C., L. Jacobs, D. de Coninck, P. Italiano, and G. Loosveldt. 2018. European Social Survey Round 8 Belgium: Process evaluation for data collection. Leuven: KU Leuven.