Using Probability vs. Nonprobability Sampling to Identify Hard-to-Access Participants for Health-Related Research
INFERENCE FROM NONPROBABILITY SAMPLES
The effects of survey mode and sampling in Belgian election studies: a comparison of a national probability face-to-face survey and a nonprobability Internet survey
Analysis of combined probability and nonprobability samples: a simulation evaluation and application to a teen smoking behavior survey
Nonprobability Sampling and Sampling Hard-to-Find Populations
Analysis of combined probability and nonprobability samples