CompTIA Data+ (DA0-002)VisualizationMedium
A data analytics team is developing a new sales dashboard for regional managers. The managers frequently need to drill down into specific sales figures for individual products within each region without leaving the dashboard view. Which dashboard design principle should be prioritized to support this requirement?
- AProgressive Disclosure
- BColor Palette Consistency
- CData Ink Ratio
- DVisual Hierarchy
Show answer & explanationAnswer & explanation
Correct answer: A. Progressive Disclosure
Progressive disclosure allows users to see high-level information first and then reveal more detailed data upon interaction, such as clicking on a region to see product-level sales. This prevents overwhelming the user while still providing access to granular data.
Why the other options are wrong
- B. Color palette consistency ensures visual uniformity but does not directly address the need for interactive drill-down.
- C. Data ink ratio focuses on maximizing data-to-ink display, not on interaction for drill-down capabilities.
- D. Visual hierarchy guides the eye to important elements but doesn't inherently provide drill-down functionality.
Progressive Disclosure
A design principle that presents only the necessary information to the user at first, revealing more details or options as they are needed or requested through interaction.
- Reduces cognitive load by preventing information overload.
- Enhances user experience by providing a clear path to deeper data.
- Often implemented with drill-down, expand/collapse, or tabbed interfaces.
Memory trick: Unfold layers of data like a map.