Internet Coverage Bias in Web Surveys in Europe

• Published in: Survey research methods Vol. 19; no. 2
• Main Authors: Alessandra Gaia, Emanuela Sala, Chiara Respi
• Format: Journal Article
• Language: English
• Published: European Survey Research Association 08.08.2025
• Subjects: Coverage bias; Data quality; Internet Coverage; Total Survey Error; Web surveys

The use of web surveys has increased over the last decades in an attempt to reduce survey costs and maximise response rates; this trend has accelerated during the Covid-19 pandemic, when social distancing measures impede face-to-face data collection. Despite the widespread use of web surveys, the un...