Psychologists interested in learning theory study learning curves. A learning curve is the graph of a function P(t), the performance of someone learning a skill as a function of the training time t. The derivative dP/dt represents the rate at which performance improves. a) When do you think P increases most rapidly? What happened to dP/dt as t increases? b) If = k(M – P) what is the maximum level of performance of which the learner is capable? dt

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