And I think you’ve missed my point. The fact that we are asking how many documents some has produced does not mean that we weight those higher. I was aiming to detect skewing rather than correct for it. If you want to give higher weight to the answers from those that have produced a few documents then we need to know a) how many documents a respondent has produced; and b) if the responses overall are already weighted more towards one end of the spectrum of the other. Both use cases require that question about the number of documents. Jay -- Jay Daley |