I’ve been seeing this xkcd comic everywhere today, and it might be heresy to do this, but I have to disagree with part of it. It just didn’t ring true.
Here’s the original:
I’d have to add a third conclusion, the professional scientist.
In our favor, I would add that we’d cheerfully substitute a fly, a frog, or a mouse for the student if we could convince them to pull the lever for us.