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Related Concept Videos

Manipulation and Analysis01:21

Manipulation and Analysis

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GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
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Levels of Use of a GIS01:29

Levels of Use of a GIS

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Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
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The Representativeness Heuristic02:13

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The representative heuristic describes a biased way of thinking, in which you unintentionally stereotype someone or something. For example, you may assume that your professors spend their free time reading books and engaging in intellectual conversation, because the idea of them spending their time playing volleyball or visiting an amusement park does not fit in with your stereotypes of professors.
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Thematic Layering in GIS01:30

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In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
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Decision Making: P-value Method01:09

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The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
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pV-Diagrams01:18

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The pV diagram, which is a graph of pressure versus volume of the gas under study, is helpful in describing certain aspects of the substance. When the substance behaves like an ideal gas, the ideal gas equation describes the relationship between its pressure and volume. On a pV diagram, it is common to plot an isotherm, which is a curve showing p as a function of V with the number of molecules and the temperature fixed. Then, for an ideal gas, the product of the pressure of the gas and its...
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Updated: Jun 13, 2025

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions
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What Can Interactive Visualization Do for Participatory Budgeting in Chicago?

Alex Kale, Danni Liu, Maria Gabriela Ayala

    IEEE Transactions on Visualization and Computer Graphics
    |September 9, 2024
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    Summary
    This summary is machine-generated.

    Interactive visualization can enhance participatory budgeting (PB) by helping governments communicate budget limits and empowering citizens to express diverse preferences. Addressing access and trust is key for effective civic technology implementation.

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    Area of Science:

    • Civic Technology
    • Human-Computer Interaction (HCI)
    • Urban Planning

    Background:

    • Participatory budgeting (PB) is a democratic process for allocating municipal funds, with current voting often resembling traditional ballots.
    • Interactive visualization has the potential to improve the PB process, but its application requires further investigation.

    Purpose of the Study:

    • To explore how interactive visualization can benefit participatory budgeting.
    • To investigate the integration of graphical preference elicitation and voting statistics dashboards into PB tools.

    Main Methods:

    • A design probe-based interview study was conducted with 13 policy workers and academics.
    • Qualitative analysis of interview data informed the findings.

    Main Results:

    • Visualization can help governments manage expectations regarding budget constraints.
    • Visualization empowers constituents to articulate a broader range of preferences.
    • Transparency through visualization necessitates mitigating access barriers and mistrust.

    Conclusions:

    • Interactive visualization offers significant benefits for participatory budgeting by enhancing communication and citizen engagement.
    • Further research and development are needed to overcome challenges related to access and trust in civic technology.
    • There is a call for increased collaboration between visualization professionals and political systems to build civic capacity.