I know a bit about this subject, having supervised the design and conduct of such surveys in both the public and private sectors. (judithcurry.com)
We discuss a couple indicators from publicly - available catalogs that can be used to identify which candidates are likely giant stars, a large source of the contaminants in such surveys. (arxiv.org)
It's easy to imagine how data from such surveys could be included as part of a teacher's evaluation grade. (e4e.org)