KLM stands for Keystroke-Level Model, a hard science approach to human computer interaction, based on GOMS, developed by Card, Moran & Newell, and spelled out in their book The Psychology of Human Computer Interaction, 1983.
It is designed to be easier to use than other GOMS methods, such that companies who cannot afford HCI specialists can use it.
The CogTool project has developed an open-source tool to support KLM-GOMS analysis.
How does it work
The KLM-GOMS model is designed to be as straightforward as possible. The sequence of operations is modeled as a sequence of a small number of operations. Each operation
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References
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