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Learning Rate Note - Learning Rate Note The concept of the...

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Learning Rate Note The concept of the learning curve was introduced to the aircraft industry in 1936 when T. P. Wright published an article in the February 1936 Journal of the Aeronautical Science . Wright described a basic theory for obtaining cost estimates based on repetitive production of airplane assemblies. Since then, learning curves have been applied to all types of work from simple tasks to complex jobs like manufacturing a Space Shuttle. The theory of learning is simple. It is recognized that repetition of the same operation results in less time or effort expended on that operation. To capture this, we assume that the direct labor man-hours necessary to complete a unit of production will decrease by a constant percentage each time the production quantity is doubled. If the rate of improvement is 20% between doubled quantities, then the learning percent would be 80% (100-20=80). While the learning curve emphasizes time, it can be easily extended to cost as well.
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