Spacing affects where the eye is drawn. For example, proximity will allow you to group similar ideas whereas a hierarchy prioritizes one idea over others. Does every point deserve equal weight to convey your message?
The Rule of Thirds is another design principle, which divides a single visual into nine equal parts. Important visuals are placed along the intersections of the parts to create visual interest and energy rather than simply centering the subject.
Academic posters should aim to guarantee equal access to everyone, such as those people who are colorblind or visually impaired.
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Source: TAMU Writing Center
There are several ways to convey messages visually.
Determine which type of visuals will best present the message to the intended audience.
Decide your purpose and choose your visual:
OR
Source: Visualizing Data Stories from the Northwest Center for Public Health Practice
Refine Visuals for Clarity and Impact
The "Before" image lacks visual focus and fails to guide the viewer toward any specific metric.
The "After" image intentionally draws attention to the most important data by using a clear title and visual cues, such as color and layout.
The "Before" image includes a distracting-colored background, cluttered grid lines, and an uninformative title that does not tell viewers the outbreak disease.
The "After" image improves clarity by using a clean background, a specific and informative title, tilted labels for better spacing, and red bars to highlight deaths, making key data stand out.
Source: Northwest Center for Public Health Visually Communicating Public Health Data