The step can be accomplished easily by the target user, due to low cognitive load or because it’s a known pattern, such as the acceptance of a terms-of-service agreement. | |
The step requires a notable degree of cognitive load (or physical effort) by the target user, but can generally be accomplished with some effort. | |
The step is difficult for the target user, due to significant cognitive load or confusion; some target users would likely fail or abandon the task here. |