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Sieve analysis is a method used to determine the particle size distribution of aggregate materials. This process involves the following steps:
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VISGRADER: Automatic Grading of D3 Visualizations.

Matthew Hull, Vivian Pednekar, Hannah Murray

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    |October 26, 2023
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    This summary is machine-generated.

    Grading D3 data visualizations is hard for large classes. VISGRADER offers an automatic solution to precisely evaluate visualizations, improving student learning and feedback.

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    Area of Science:

    • Computer Science
    • Human-Computer Interaction
    • Data Visualization

    Background:

    • Manual grading of D3 data visualizations is time-consuming and difficult to scale for large student cohorts.
    • Evaluating interactive visualizations requires complex quantitative and qualitative assessments.
    • Increasing visualization complexity and data size exacerbate grading challenges.

    Purpose of the Study:

    • To introduce VISGRADER, an automated system for grading D3 data visualizations.
    • To provide scalable and precise evaluation of data bindings, visual encodings, interactions, and design specifications.
    • To enhance the student learning experience through rapid, iterative feedback.

    Main Methods:

    • Development of an automated grading method for D3 visualizations.
    • Implementation of precise evaluation metrics for data bindings, visual encodings, and interactions.
    • Scalable processing of numerous student submissions.

    Main Results:

    • VISGRADER successfully auto-graded D3 submissions from over 4000 students.
    • The system precisely evaluates key visualization components.
    • Positive feedback was received regarding the system's adoption and effectiveness.

    Conclusions:

    • VISGRADER offers a scalable and effective solution for automatically grading D3 data visualizations.
    • The system enhances student learning by providing timely and informative feedback.
    • Automated grading systems can significantly improve educational experiences in data visualization courses.