The final step is to apply the knowledge. We have already covered a range of examples of how cognitive task analysis can be applied. The stories, diagrams, tables, and lists of critical cues have all played a role in one project or another. They have been used to identify key cues for diagnoses of sepsis, to train nurses to recognize these cues, to provide cognitive modeling17 of the troubleshooting strategies of expert programmers, and to show system designers what essential decisions have to be supported by interfaces.
