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Perceived relationship between elements of a complex display.

Geoffrey J Armstrong1, Errol R Hoffmann2

  • 1a Power Department , State Electricity Commission of Victoria, Monash House , 15 William Street , Melbourne , 3000 , Australia.

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Summary
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Display element aspect ratios significantly influence perceived relationships in complex control layouts. Element size variation and display solidity do not impact perceived grouping, highlighting the importance of shape in visual organization.

Keywords:
DisplaysLayoutsPerception

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Area of Science:

  • Human-Computer Interaction
  • Cognitive Psychology
  • Visual Perception

Background:

  • Effective complex control and display layout relies on grouping functionally related elements.
  • Understanding how users perceive relationships within complex visual displays is crucial for design.

Purpose of the Study:

  • To investigate how element and external aspect ratios, and display solidity affect the perception of relationships between elements in complex displays.
  • To determine the influence of varying element sizes on perceived relationships within a display.

Main Methods:

  • Three experiments were conducted using abstract and real-world (power station) display elements.
  • Participants judged perceived relationships between groups of elements presented in horizontal or vertical arrangements.
  • Variables manipulated included element aspect ratio, external aspect ratio, display solidity, and element size.

Main Results:

  • Both element and external aspect ratios were significant factors in determining perceived vertical relationships for abstract elements.
  • Aspect ratios also influenced perceived relationships in power station display elements, though less clearly.
  • Display solidity did not significantly affect perceived relationships.
  • Varying element sizes within a display weakened the perception of relationships.

Conclusions:

  • Aspect ratios are key determinants of perceived grouping in complex displays.
  • More extreme aspect ratios may be needed for clear perception of relationships.
  • Display design should consider element proportions and uniformity to enhance perceived functional grouping.