28. Some types of mental processing are more challenging than others

All loads are not equal

• When making something for people to use, a website for example, you have to think about how people will be using your site. Will they have to click a lot of buttons, will they have to ask a lot of questions? While working online, you use different human factors; eg, you’re watching the screen (visual), you’re typing (motor), or you’re thinking about the information that you’re receiving (cognitive). Each one of these is considered a load. All the loads are at different levels of difficulty. Make a website with the right amount of loads that you want for your target audience.

Cognitive

• Cognitive loads are considered the hardest because you’re actually using your brain to think (and if you don’t care so much for that, then yes, it’s really hard)
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Visual

• The visual load is really mostly just about seeing what’s important. It’s not too hard (unless someone’s doing a word search, those suckers are annoying)
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Motor

• Basically its physical activity, like moving a mouse or your finger to press on something. (and It's considered one of the least expensive load, because it doesn't take a lot of brain power) So it should be the one most used.
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Fitts law

• Continuing off of motor skills, even though its considered the least expensive, you have to be aware to make things easy for them using Fitts Law.
• Use this website below and scroll down a bit and play around with the test area. It's great practice for understanding it.
• http://simonwallner.at/ext/fitts/
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