The curves of learning examine the quantitative changes in human performance during the acquisition of a certain skill can be expressed in the improvement of performance as a result of learning processes (through methods and methods of learning), when the learner attempts to access many of the correct learning of skill, these attempts can be expressed in A learning curve is a functional relationship between an independent variable (the type of practice and its amount, usually represented by the number of attempts) and another variable is the performance, the type of performance to be learned. Most learning curves show changes in the rate of improvement.