The following article is getting quite a lot of press right now: David Just and Brian Wansink (2015), “Fast Food, Soft Drink, and Candy Intake is Unrelated to Body Mass Index for 95% of American Adults”, Obesity Science & Practice, forthcoming (upcoming in a new pay for placement journal). Obviously it is a sensational contrary position (some coverage: here, here, and here).
I thought I would take a peek to learn about the statistical methodology (see here for some commentary). I would say the kindest thing you can say about the paper is: its problems are not statistical.
At this time the authors don’t seem to have supplied their data preparation or analysis scripts and the paper “isn’t published yet” (though they have had time for a press release), so we have to rely on their pre-print. Read on for excerpts from the work itself (with commentary). Continue reading Fast food, fast publication