# Have a done criterion Project management rule. This can apply even to research. <!-- #mental-model --> [Web URL for this note](http://notes.benjaminreinhardt.com/Have+a+done+criterion) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Have+a+done+criterion) <!-- {BearID:5BCA8972-F23C-4AA3-B5B0-5D95302E2A3C-19569-0003CC71FD39F246} -->