Niki says: This is the part where I tell you that we were actually drinking booze — Lagunitas IPA, Mionetto Prosecco, and a chili - chaser of Knob Creek, to be precise — throughout the whole experiment, thereby throwing the entire (again, highly scientific) validity of our findings into the doubt. (seriouseats.com)
We would like to gauge the external validity of the findings this sample generates: are effects at other Boston charters and pilots similar? (academic.oup.com)
All those who have legitimately used their discretion have warned others against copying their example unless they have been convinced by proof of the validity of their findings. (religion-online.org)