EDIT: see caveat from K-Wall below. Can't trust anything these days :-/ </edit>
That's exactly how it works, to an extent. In a study [1], people with self-refilling soup bowls ate 73% more soup (p < 0.01) than those eating from normal soup bowls. Similar with popcorn [2]. I first read about this either in Nudge or in Mindless Eating.
[1] Wansink, B., Painter, J.E., & North, J. (2005). Bottomless Bowls: Why Visual Cues of Portion Size May Influence Intake Obesity Research, 13 (1), 93-100
That's exactly how it works, to an extent. In a study [1], people with self-refilling soup bowls ate 73% more soup (p < 0.01) than those eating from normal soup bowls. Similar with popcorn [2]. I first read about this either in Nudge or in Mindless Eating.
[1] Wansink, B., Painter, J.E., & North, J. (2005). Bottomless Bowls: Why Visual Cues of Portion Size May Influence Intake Obesity Research, 13 (1), 93-100
https://onlinelibrary.wiley.com/doi/full/10.1038/oby.2005.12
[2] http://projectputthatcookiedownnow.com/2011/bottomless-bowls...