100 Things Every Designer Needs to Know About People (Voices That Matter)

Use shading to show when an object is chosen or active.

Don’t assume that money or any other extrinsic reward is the best way to reward people. Look for intrinsic rewards rather than extrinsic rewards.

Assume that you have at most 7 to 10 minutes of a person’s attention.

Keep online demos or tutorials under 7 minutes in length.

Rather than requiring people to perform a task over and over, consider a design where they can choose all the items they want to take action on and then perform the action on all the items at once.

Avoid providing incorrect affordance cues.

Use a font with a large x-height for online viewing so that the type will appear to be larger.

When reading psychology research, you might want to avoid generalizing the results if you know that the study participants were all from one geographical region. Be careful of overgeneralizing.

Use concrete terms and icons. They will be easier to remember.

People are always going to forget.