>>My readings on cognitive science say that being able to delay gratification is a better predictor of future success than IQ, anyway. <<
That is a great observation (I would have answered sooner but I was busy getting some candy).
I suggest delayed gratification is part and parcel of good work ethic but I understand if some might see that as moving the goalpost.
I suggest delayed gratification is part and parcel of good work ethic but I understand if some might see that as moving the goalpost.
...
I should add that the delay involves a bigger reward.
Get a piece of candy now, or get two pieces in half an hour.