xkcd.reader inoffiziell · kein Affiliate
? 1999 / 3263 28.5.2018

Selection Effect

fMRI testing showed that subjects who don't agree to participate are much more likely to escape from the machine mid-scan.
Alt-Text (der eigentliche Witz)
fMRI testing showed that subjects who don't agree to participate are much more likely to escape from the machine mid-scan.