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Display clutter and its effects on visual attention distribution and financial risk judgment
Svetlana Ognjanovic1, Manfred Thüring2, Ryan O Murphy3
1ETH Zurich, Chair of Cognitive Science, Clausiusstrasse 59, 8092, Zürich, Switzerland.
Applied Ergonomics
|July 9, 2019
Summary
Display clutter significantly impacts financial stock visualization analysis. Both novice and expert traders showed altered judgment performance and visual attention with varying clutter levels, affecting stock risk assessment.
Area of Science:
- Ergonomics
- Human-Computer Interaction
- Financial Visualization
Background:
- Display clutter, a key ergonomic concern, affects user performance and attention in data visualization.
- Financial stock visualizations present complex information, making them susceptible to clutter effects.
- Trader expertise influences how individuals interpret stock data and assess risk.
Purpose of the Study:
- To investigate the impact of display clutter on financial stock visualizations.
- To analyze how varying clutter conditions affect traders' risk assessment performance.
- To examine the influence of expertise on visual attention during stock analysis.
Main Methods:
- Two participant groups (novices and experts) judged stock riskiness under low and high clutter conditions.
- Judgment performance was measured by consistency and group concordance.
- Visual attention was captured using mean fixation duration, fixation frequency, and transition matrix density.
Main Results:
- Significant effects of display clutter were observed on judgment performance.
- Expertise level also significantly influenced performance and visual attention.
- Clutter and expertise interacted to affect how traders assessed stock riskiness.
Conclusions:
- Display clutter is a critical factor in financial stock visualization design.
- Understanding clutter's impact is essential for improving trader performance and decision-making.
- Future research should explore optimal clutter levels for financial data displays.
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