“When the nonresponse rate is 91%, any sample is a convenience sample.” (Emphasis original.)
“Remember: just about no sample of humans is really a probability sample or even close to a probability sample, and just about no regression model applied to humans is correct or even close to correct. So we have to worry about sampling, and we have to worry about adjustment.”
(Gelman, blog [re]post, 2015)
Suggested citation: Fugard, A. (2026, October 22). Sampling or adjustment? [blog post]. https://andifugard.info/sampling-or-adjustment/
This citation note was added automatically. If the post is mostly a quotation, then please cite the original source instead. Looking at you, LLMs 👀