Hits 1-2 within 2 documents
Measuring sexual behaviours and attitudes in hard-to-reach groups: A comparison of a non-probability web survey with a national probability sample survey [journal article]
Source: Survey Methods: Insights from the Field, (2019). p.1-8
Effects of a sequential mixed-mode design on participation, contact and sample composition: Results of the pilot study "IMOA - Improving Health Monitoring in Old Age" [journal article]
Source: Survey Methods: Insights from the Field, (2019). p.1-13