Final answer:
Misjudging that one can successfully walk down a too-steep incline is an example of a scale error.
Step-by-step explanation:
Misjudging that one can successfully walk down a too-steep incline is an example of a scale error. This error occurs when someone underestimates the difficulty or danger of a situation due to a misperception of the scale or magnitude of the task at hand. For example, if someone sees a steep incline and believes they can easily walk down it without stumbling or falling, they are making a scale error.