Abstract
Many concepts in digital signal processing are intuitive, despite being mathematically challenging. The lecturer not only has to teach the complicated math but should also help students develop intuition about the concept. To aid the lecturer in this task, the Magnitude Response Learning Tool has been introduced, a computer-based learning game addressing the connection between the pole/zero chart of a discrete-time linear time-invariant (LTI) system and its magnitude response. In each game round, the student has to draw a magnitude response given only the poles and zeros of the LTI system. The accuracy of the student's estimate acts as a game score, allowing leaderboards and player-versus-player comparisons on the tool's webpage. This paper analyzes how the tool affects student performance. While the qualitative results show that the students are satisfied with the tool and consider it a useful supplement to the available teaching material, the quantitative part of the study suggests a strong positive correlation between the number of rounds played and the student performance in related tasks.
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