Interviewer Effects in the European Social Survey

Authors

  • Koen Beullens KU Leuven
  • Geert Loosveldt

DOI:

https://doi.org/10.18148/srm/2016.v10i2.6261

Keywords:

Interviewer effects, European Social Survey, multilevel covariance

Abstract

In this paper, we focus on interviewer effects in the European Social Survey, and seek to demonstrate that academic publications seldom take these effects into consideration. An analysis is provided of interviewer effects for 48 continuous items, covering 36 countries in six rounds. The analysis does not only deal with the means of variables. Using multilevel covariance structure analysis, interviewer effects on the relationships between these variables is also assessed. Results indicate that first, countries showing considerable interviewer effects regarding means are also more at risk regarding regression coefficients and second, ignoring interviewer effects leads to an overestimation of the effect size of the relationships between variables and an underestimation of standard errors.

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Published

2016-08-15

How to Cite

Beullens, K., & Loosveldt, G. (2016). Interviewer Effects in the European Social Survey. Survey Research Methods, 10(2), 103–118. https://doi.org/10.18148/srm/2016.v10i2.6261

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