Problem Response Theory and its Application for Tutoring.
EDM(2011)
摘要
Problem solving is an important component of education. To make
problem solving activities attractive, it is important to
confront students with problems of suitable difficulty --
neither too easy, nor too difficult. Since students vary in
their skills, it is also crucial to make problem
recommendations individually adaptive. We present a novel
problem response theory, which predicts how much time will a
student need to solve a given problem. Our theory is an analogy
of the item response theory, but instead of probability of a
correct answer we model problem solving time. We introduce a
problem solving tutor, which uses the theory to make adaptive
predictions and to recommend students problems of suitable
difficulty.
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