Design and evaluation of a scaffolded block-based learning environment for hierarchical data structures
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2020
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Proceedings of IEEE Symposium on Visual Languages and Human-Centric Computing, VL/HCC Volume 2019-October, October 2019, Article number 8818759, Pages 145-149
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IEEE
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Abstract
This paper presents the design of Blocks4DS, a block-based environment for students to learn data structures. As a proof-of-concept, we designed custom blocks to allow students to build and visualize Binary Search Trees (BST). Blocks4DS is built on Blockly and uses vis.js to provide visualizations of the binary search tree and its operations. This paper describes the results from an initial evaluation of usability and student learning.
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CS Education, Tools, Block-based programming, Data structures, Visual languages, Human-centric computing