If you give volunteers monetary compensation they tend to perform worse than when they do their work for free—except when they get paid quite a sum of money. That’s why you see doctors doing work for free but not for a nominal amount of money—or they do work for full price.
If you give volunteers monetary compensation they tend to perform worse than when they do their work for free—except when they get paid quite a sum of money. That’s why you see doctors doing work for free but not for a nominal amount of money—or they do work for full price.
Yes, I know. The interesting question is why you assume that it doesn’t apply in this case.
No good reason, I just did it for the sake of argument.