How Does an Intelligent Learning Environment with Novel Design Affect the Students’ Learning Results?
We present an intelligent learning environment, T-algebra, for step-by-step solving of algebra problems using a novel design of step dialogue, which combines two known approaches: conversion by rules and entering the result. Each solution step in T-algebra consists of three stages: selection of the transformation rule, marking the parts of expression, entering the result of the operation. The designed dialogue enables the student to make the same mistakes as on paper and to receive understandable feedback about mistakes. The evaluation demonstrated that even a brief use of T-algebra affects the results of learning. The students who used T-algebra did better on consecutive paper test than the students who did not use T-algebra. Furthermore, T-algebra tends to affect specific error types, i.e., after using T-algebra the students make fewer mistakes of certain type on paper as well.
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