Hits 1-2 within 2 documents
From German Internet Panel to Mannheim Corona Study: Adaptable probability-based online panel infrastructures during the pandemic [journal article]
Source: Journal of the Royal Statistical Society, Series A (Statistics in Society), (2021). p.1411-1437
Measurement equivalence in probability and nonprobability online panels [journal article]
Source: International Journal of Market Research, 64 (2022) 4. p.484-505