Affluence—not willpower—seems to be what’s behind some kids' capacity to delay gratification.
I think I’ve read about the Marshmallow Test about 10 times in the past year and in no source did it manage to mention the miniscule or highly biased sample of the original study.
Brian Wansink won fame, funding, and influence for his science-backed advice on healthy eating. Now, emails show how the Cornell professor and his colleagues have hacked and massaged low-quality data into headline-friendly studies to “go virally big time.”
This article is painful to read and has some serious implications for both science in general and the issue of repeat-ability. I suspect that this is an easily caught flagrant case and that it probably only scratches the surface. The increased competition in research and the academy is sure to create more cases of this in the future.
We really need people to begin publishing their negative results and doing a better job on understanding and practicing statistics. Science is already not “believed” by far too many in the United States, we really don’t need bad actors like this eroding the solid foundations we’ve otherwise built.
One of scientists’ favourite statistics — the P value — should face tougher standards, say leading researchers.
The related articles listed at the bottom, many of which I’d previously read, also give some great additional background.