[LeftHandPath]

I wonder if the sunk cost fallacy - that usually refers to an abstract cost, like time or money - would truly be the same effect as an aversion to retracing a path in 3D space.

Possible, or even likely, but interesting nonetheless. Towards the end of the article, they describe an interesting other direction of their research that's not so directly correlated with sunk cost:

> More recently, we’ve been examining a related form of hesitation. This time, it’s not in switching paths, but in committing to one at all.

> “While it might seem that having enticing options (e.g., a great apartment one could rent, a fun event one could sign up for) would make commitment easier, we’ve found that it’s often the loss of a great option that finally pushes people to choose. People often hold out for something even better, but the disappearance of a pretty good option inspires some pessimism that encourages people to grab onto what is as good as they can get for now.”