Must be a multiple of 1
Must be a multiple of 4
Must be a multiple of 2
Must be a multiple of 3
Since workers can return an assignment or drop out, some "spare" participants will be created: the oTree session will have 2 times more participant objects than the number you enter here.
You can make more properties configurable by adding them to your session config in settings.py.
Your app description
Public goods with punishment, roughly based on Fehr & Gaechter 2000.
Kahneman and Tversky's 1979 article on Prospect Theory i
This is a one-shot "Prisoner's Dilemma". Two players are asked separately whether they want to cooperate or defect. Their choices directly determine the payoffs.