The functioning of the poka-yoke does not require any action from the operator
specifically for this purpose (e.g. the operator does not need to press buttons or use
equipment, such as barcode readers, specifically to start the poka-yoke) (Score 4)
The functioning of the poka-yoke requires one action from the operator specifically for
this purpose (Score 2)
The functioning of the poka-yoke requires two or more actions from the operator
specifically for this purpose (Score 0)