[hyperpape]

It seems unlikely that this study reflects the effects of hunger: https://news.ycombinator.com/item?id=14701328.

[thaumasiotes]

No, hunger is an important cause of the result. The anticipated effects of hunger are the reason that open-and-shut cases are scheduled right before lunch.

The problem is that the researchers were eager to conclude that hunger can influence case outcomes, and unable to consider the possibility that hunger can influence case scheduling.