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I really hate those "Weighted Agreement/Disagreement" charts. For Weighted Agreement, it looks like Comic Sans had a way lower agreement rate (it looks like 60
by thebigshane 14y ago
I really hate those "Weighted Agreement/Disagreement" charts.
For Weighted Agreement, it looks like Comic Sans had a way lower agreement rate (it looks like 60% lower) but Comic Sans had only a 4.5% lower agreement rate than Baskerville, including their weighting system.
For Weighted Disagreement, Georgia had only a 7.7% increase in disagreement than Baskerville whereas the chart makes it look more than double.
Still interesting, but not nearly as substantial as they make it out to be. Is there a term for this type of manipulation of charts (whether intentional or not)?
EDIT: Indeed, the term for this is "Truncated graph" http://en.wikipedia.org/wiki/Misleading_graph#Truncated_graph http://en.wikipedia.org/wiki/Misleading_graph#Truncated_grap...
And as a bonus (thanks wikipedia!), according to Edward Tufte's "Lie Factor"[0] (where 1 is considered accurate), the Weighted Agreement chart has a lie factor of ~15 and the Weighted Disagreement chart has a lie factor of ~17.
[0]: http://thedoublethink.com/2009/08/tufte%E2%80%99s-principles-for-visualizing-quantitative-information/ http://thedoublethink.com/2009/08/tufte%E2%80%99s-principles...