Guided Notes

Data Visualization Principles for Healthcare

How people read charts, pre-attentive attributes, decluttering, color and accessibility, honest scales, small multiples and designing for clinical audiences.

Why visualization matters

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Clinicians and executives are busy. A clear chart communicates in seconds what a table needs minutes for. Good visuals: • answer one question each, • make the important comparison obvious, • are honest about scale and uncertainty, • are readable by everyone, including people with color-vision deficiency.

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