One possible explanation for the variability in estimates across the different nonprobability samples is the range of methods that online sample vendors employ. They differ on recruitment, weighting ...

This is a preview. Log in through your library . Abstract Capture-mark-recapture (CMR) population parameter estimation utilizing DNA analysis from remotely-collected hair samples to identify ...

Learn how representative samples and random samples differ and why combining them minimizes sampling bias for accurate data.

In this chapter, the panel considers issues of design and development of key methodological aspects of the Agricultural Resources Management Survey (ARMS), focusing on the sample frame for ARMS, the ...

Results for this study are based on telephone interviews conducted by SSRS, an independent research company, among a nationally representative sample of 1,520 Latino respondents ages 18 and older. It ...