| Summary: | In Japan, students study various ways of understanding 3D drawings in junior high school-level technical education, high school-level industrial education, and university-level engineering education. However, without an understanding of trigonometry, reading the drawings is difficult. Moreover, drawing the assembly parts is equally difficult. To address these concerns, many research studies have been conducted. These examinations have used before–after analysis, but none has used time-series data analysis. Therefore, this study aims to develop a new quantitative evaluation method of 3D recognition ability through the use of time-series analysis.
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