Davidson, Mary Jo, Dove, Laura, and Weltz, Julie, “Mental Models and Usability,” 1999
An inaccurate mental model of what is happening in a system leads to errors. Many systems place too many demands on the humans that use them. Users are often required to adjust the way they work to accommodate the computer. Sometimes the result is a minor frustration or inconvenience, such as changes not being saved to a file. Inaccurate mental models of more complex systems, such as an airplane or nuclear reactor, can lead to disastrous accidents.