Inproceedings,

Stepwise Help and Scaffolding for Java Code Tracing Problems With an Interactive Trace Table

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21st Koli Calling International Conference on Computing Education Research, ACM, (November 2021)
DOI: 10.1145/3488042.3490508

Abstract

In this paper, we describe the integration of a step-by-step interactive trace table into an existing practice system for introductory Java programming. These autogenerated trace problems provide help and scaffolding for students who have trouble in solving traditional one-step code tracing problems, accommodating a wider variety of learners. Findings from classroom deployments suggest the scaffolding provided by the trace table is a plausible form of help, most notably increases in performance and persistence and lower task difficulty. Based on usage data, we propose future implications for an adaptive version of the interactive trace table based on learner modeling.

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