How to Visualize Workshop Evaluation Results

I give dozens of workshops, webinars, and conference keynotes each year. Which means I receive dozens of evaluation surveys each year. After my sessions, the clients who sponsored the workshop ask their participants to rate my session and often times a software program automatically compiles the results. I’m grateful for this automated reporting technology. But, at the same time, survey scanning tools drive me crazy.
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How to Sort Your Bar Charts

Mar 14th, 2017 / Data Visualization
“Ann, my bar chart is upside down! Help!” A largest to smallest sorting should produce a largest to smallest chart, right? Right? Right? But the chart does a somersault! I’ve never figured out why spreadsheets do this but you have two options to fix it.
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When to Use Horizontal Bar Charts vs. Vertical Column Charts

Jan 31st, 2017 / Data Visualization
The vertical-column-chart-or-horizontal-bar-chart question is one of the most common questions I receive about bar charts. It depends on what type of variable you’re graphing. If you took a research methods or statistics class back in college, then you might remember learning about terms like nominal, ordinal, interval, or ratio variables. Some of these variables are better suited to vertical column charts while other variables are better suited to horizontal bar charts. Let’s look at a few examples.
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Bar Charts: Regular or Stacked?

Jan 17th, 2017 / Data Visualization
Chart choosing is part art and part science. During workshops, I cover my chart choosing thought process in more detail. For now, let me save you hours of time with this not-so-secret secret: Start with a bar chart. Then, fine-tine your bar chart.
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