Each load takes up a different amount of mental resources
Visual loads (looking a screen) takes more than Motor
(pressing a button)
Cognitive loads (remembering a date) takes more than visual (looking at a person)
The order of Loads using the most resources
Cognitive
Visual
Motor
Diapositiva 3
Minimize Motor Switching
Don't allow people to switch back and forth between motor loads
Using a mouse only -> Using a Keyboard to navigate
Motor Switching can cause people to lose focus or become frustrated
For accessiblity design, minimizing motor switching can be useful to those using accessible devices
Diapositiva 4
Sometime You May Increase Loads
As designers, you want to decrease the amount of loads the user comes across. But increasing loads can be beneficial:
To grab the user's attention using media
When you intentionally want to focus the user's attention elsewhere
To provide a challenge