Archive for Design Principles

Visualizing Survey Results: Assessing Knowledge Before and After a Program

Visualizing Survey Results: Assessing Knowledge Before and After a Program

A couple weeks ago I spoke to Harvard University graduate students about visualizing survey results. This not at all to very survey scale is quite common in my research circles so I’m sharing our ideas with all of you, too.   Before Here are some of the…

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Sorting Your Bar Charts

Sorting Your Bar Charts

“Ann, my bar chart is upside down! Help!” You read my prior post about using horizontal bar charts for nominal variables like favorite fruits. My toddler is eating two! bananas a day so bananas are the winner in this fictional fruit contest. Our original table…

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Removing Redundancies from My Old Graphs

Removing Redundancies from My Old Graphs

This morning I keynoted a conference in Tallahassee. Data visualizers who critique others before critiquing themselves make me gag, so I opened my talk with a trip down memory lane. Check out this beauty from one of my earliest jobs. I’ve anonymized it but 99.9% of…

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Nominal, Sequential, or Diverging? Simple Strategies for Improving Any Chart’s Colors

Nominal, Sequential, or Diverging? Simple Strategies for Improving Any Chart’s Colors

Colors can make or break a chart. Colors direct our eye movements, and therefore our brains and attention. It’s up to you: will you help or hinder your reader’s understanding? Here are some simple strategies for communicating clearly with chart color.   Strategy 1: Select…

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My Eval12 Aha Moments

My Eval12 Aha Moments

My favorite part of the American Evaluation Association’s annual conference in October 2012 was officially meeting the evaluators who I’d previously met online – like Karen Anderson, Katherine Dawes, Amy Germuth, Simon Hearn, Susan Kistler, Chi Yan Lam, Chris Lysy, Ehren Reed, Patricia Rogers, Jon Sachs,…

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