Explain and apply the lie-factor concept to detect exaggerated visual effects.
The smoke test: compare the data effect with the visual effect. Tufte's lie factor asks whether the graphic's visible change is proportional to the actual change in the data. The workplace version is simple: say the real change out loud, then say what the chart makes the change feel like. If those sentences do not match, the chart deserves inspection. What Usually Inflates The Ratio Truncated bar baselines are the common culprit because bar length is read as quantity. Pictograms can also inflate differences when height and width both scale, turning a twofold value into a fourfold area. Aspect ratio…
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