You can get this extra motivation even with the illusion of progress, as in the coffee card B example in this section. There really isn’t any progress (you still have to buy 10 coffees), but it seems like there has been some progress so it has the same effect.

For operant conditioning to work, the reinforcement (reward) must be something that particular audience wants. Hungry rats want food pellets. What does your particular audience really want?

People will satisfice, that is, look for the good-enough solution rather than the optimal solution.

People learn best by example. Don’t just tell people what to do. Show them.

Eliminate memory load whenever possible. Many user interface design guidelines and interface features have evolved over the years to mitigate issues with human memory.

If you’re designing a product or application where people need to notice an event that rarely occurs, use a strong signal to get their attention when it does.

Faces looking right at people will have the greatest emotional impact on a Web page, probably because the eyes are the most important part of the face.

Let people rest (and even sleep) if you want them to remember information.

Break text up into chunks. Use bullets, short paragraphs, and pictures.