- For more on Information Processing Theory: http://www.instructionaldesign.org/theories/information-processing.html
- Examples of more / less "noise": Google vs. Yahoo! (now) vs. Yahoo! (back in the day): Wayback Machine.
- Reducing noise: I used the C/R/A/P design concept, something I learned from the work of designer Robin Williams (http://www.amazon.com/The-Non-Designers-Design-Book-Edition/dp/0321534042)
- Increasing signal
- Providing visuals / being multimodal
- Being interactive
- Not too much at one time: A good, core reading on this is Miller's The magical number seven, plus or minus two (1957).