Selecting Learning Curve Models for Human Operator Performance
A trend-line, which in some “best” sense, can be used for predicting future performance. This trend-line can be influenced by proper design and planning of the task.
“Normal” scatter about the trend-line, which constitutes a natural and acceptable variation, and which can be used for setting upper and lower bounds.
“Abnormal” scatter about the trend-line, which results in an unacceptable variation. It indicates an avoidable loss in performance which can be traced to an assignable cause and hence eliminated by management control.
“Deterministic” changes in the trend-line. These may be long or short term, and have an assignable cause. An example of a management-induced cause is a planned change in the size or constitution of a team.
KeywordsIndustrial Case Study Industrial Dynamics Progress Function Improvement Curve Purdue Pegboard
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