Groh-Samberg, Olaf; Tucci, Ingrid - Rat für Sozial- und Wirtschaftsdaten (RatSWD), … - 2010
Large representative surveys are using mixed methods to an ever-increasing degree. Biomarkers, register data, and experiments, for example, provide different types of data that can be linked with survey data. The use of qualitative interviewing of participants in longitudinal surveys is still...