Participants who wore a heavy backpack experienced higher levels of guilt compared to those who wore a light backpack.
They often choose healthy snacks over not healthy and boring tasks over fun ones. Participants also cheated less!
Kouchaki M, Gino F, & Jami A (2013). “The Burden of Guilt: Heavy Backpacks, Light Snacks, and Enhanced Morality.” Journal of experimental psychology. 2014 Feb;143(1):414-24.