In het boek Know-How - The Definitive Book on Skill and Knowledge Transfer for Occasional Trainers, Experts, Coaches, and Anyone Helping Others Learn wijzen Harold D. Stolovitch en Erica J. Keeps op het nut en de noodzaak van het werken met job aids:
Job Aids Rule
Whenever possible, create and apply job aids to produce successful performance. In fact, well-constructed job aids can often replace training. Successful job aid use produces instant performance results. (For example, use a train timetable rather than show how to obtain information about train arrivals and departures. The only training required would be on how to use the job aid if it is not intuitive.