Must be a multiple of 1
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.
oTree app for supermarket study (part of EU H2020 project VISIONARY). Author: Austėja Kažemekaitytė (a.kazemekaityte@unitn.it)
Your app description