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Factors Affecting Perception01:25

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    Area of Science:

    • Data Visualization
    • Human-Computer Interaction
    • Cognitive Psychology

    Background:

    • Graphs are abstract models representing relationships between entities.
    • Background stories provide real-world meaning and context to abstract graph models.
    • Prior experience suggests familiarity with background stories may alter graph perception.

    Purpose of the Study:

    • To investigate the effects of background stories on graph perception.
    • To evaluate how background knowledge influences visual focus, structure identification, and mental model formation.
    • To address the gap in research regarding the impact of context on graph interpretation.

    Main Methods:

    • Formulated three hypotheses regarding visual focus, structure identification, and mental model formation.
    • Conducted three controlled experiments using real-world graphs with and without background stories.
    • Analyzed experimental data comparing participant performance with and without background story knowledge.

    Main Results:

    • Background story knowledge influences participants' visual focus areas during interactive graph exploration.
    • Knowledge of background stories significantly affects the identification of community structures, but not high-degree or bridge structures.
    • Familiarity with background stories improves graph recognition under blurred visual conditions.

    Conclusions:

    • Background stories play a crucial role in how individuals perceive and interact with graphs.
    • Findings suggest incorporating storytelling elements can enhance graph visualization and exploration.
    • This research offers new considerations for designing effective data visualizations and interactive systems.