List four out of the eight rules of user interface design identified by Shneiderman and Plaisant.
Answer: There are actually 8: a) consistency, b) provide short cuts, c) informative feedback, d) closure in dialogues, e) simple error handling and prevention, f) permit “re-do”, g) support locus of control, h) reduce the amount of short-term memory needs. Any four of the eight would be fine.