*[https://scholar.harvard.edu/files/todd_rogers/files/commitment_devices_2.pdf#:~:text=Commitment%20devices%20attempt%20to%20en%2D%20force%20people's,called%20a%20deposit%20contract%20or%20commitment%20con%2D Commitment Devices: Using Initiatives to Change Behavior], Harvard University | *[https://scholar.harvard.edu/files/todd_rogers/files/commitment_devices_2.pdf#:~:text=Commitment%20devices%20attempt%20to%20en%2D%20force%20people's,called%20a%20deposit%20contract%20or%20commitment%20con%2D Commitment Devices: Using Initiatives to Change Behavior], Harvard University |