When a system or job can't be redesigned to eliminate a problem, the designer must choose some combination of training, or performance support. This web page is intended to remind designers what factors to consider when making these decisions, and to illustrate application of the factors in 3 case studies . There is enough time to access the information.
Time is critical.
Job requires access to large amounts of data. Person is expected to perform unaided. Task is infrequently performed. Task must be learned as a prerequisite for higher level tasks. There are multiple steps or attributes.