Hits 21-22 within 22 documents
Teilnahme und Methodik bei Patientenbefragungen [monograph]
Source: Asgard-Verlag, 2003
Risk of Nonresponse Bias and the Length of the Field Period in a Mixed-Mode General Population Panel [journal article]
Source: Journal of Survey Statistics and Methodology, 10 (2021) 1. p.161-182