This study reports the findings of a comparison between different non-probability sampling methods applied in a WWW-user-survey.

The other – and arguably the biggest — difference is that the samples for these surveys are selected using so-called non-probability sampling methods. For decades, only probability – or random – ...

Across all social science disciplines, but in particular public administration, there is a shared concern about the costs of using traditional random samples to generate data, and its impact on ...