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Develop algorithm learning tools for the introduction of Computer Science in senior high school

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Document pages: 12 pages

Abstract: This paper introduces the initial stage of developing algorithm learning tools for students of information system course in Tokyo University of technology, Japan. The tool applies the concept of algorithm visualization (AV) technology to help learn basic algorithms such as search and sorting. The tool includes two AV types, one with more input options and controls and the other with fewer input options and controls. When designing the evaluation questionnaire of the tool, the previously proposed AV evaluation attributes and the categories of algorithmic learning objectives (Calo) are considered. A written test based on Calo is also designed. The post-test results show that students scores have been moderately improved. The test results also show the students abilityatch some of the algorithm learning objectives. The students who used the AV with more options have a slightly higher gain score average in the posttest compared with those who used the AV with limited control. Overall assessment indicates a positive evaluation of the tool and signifies the students’ preferred AV characteristics. After factor analysis of the evaluation questionnaire, three factors were extracted which correspond to the suggested AV evaluation properties. These results may be used in improving the learning tool and the evaluation questionnaire.

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