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The DeepTree Exhibit: Visualizing the Tree of Life to Facilitate Informal Learning.

F Block1, M S Horn, B C Phillips

  • 1Harvard University, USA. fblock@seas.harvard.edu

IEEE Transactions on Visualization and Computer Graphics
|September 11, 2015
PubMed
Summary
This summary is machine-generated.

DeepTree is an interactive Tree of Life visualization designed for collaborative learning. Its fractal layout and multi-user interface enhance engagement and informal learning about evolution.

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Area of Science:

  • Evolutionary Biology
  • Computer Science
  • Museum Studies

Background:

  • Traditional visualizations of the Tree of Life can be complex and overwhelming.
  • Facilitating collaborative learning of evolutionary concepts requires specialized tools.

Purpose of the Study:

  • To present the DeepTree exhibit, an interactive visualization of the Tree of Life.
  • To describe the collaborative design and development process involving diverse experts.
  • To evaluate the effectiveness of DeepTree in promoting active learning and engagement.

Main Methods:

  • Iterative design process involving computer scientists, learning scientists, biologists, and museum curators.
  • Development of a fractal-based tree layout to reduce visual complexity.
  • Creation of a custom rendering and navigation engine for smooth exploration.
  • Implementation of a multi-user interface for collaborative discovery.

Main Results:

  • A fractal tree layout effectively visualizes all life on Earth with reduced complexity.
  • The custom engine provides visually appealing and smooth navigation through the data.
  • The multi-user interface fosters collaborative exploration and guided discovery.
  • Evaluation demonstrated that the exhibit encourages free exploration, emotional responses, engagement, and informal learning.

Conclusions:

  • Designing interactions and visualizations concurrently is crucial for active learning.
  • DeepTree successfully facilitates collaborative learning and engagement with evolutionary concepts.
  • Interactive, large-scale visualizations can be powerful tools for informal science education.