teaching students to lie, manipulate, and mislead with information visualizations
DESCRIPTION
We’ve been creating and managing data for centuries, and the recent improvements in technology make more data readily available to more people. This wealth of data can help us make better decisions, understand complex phenomena, and communicate effectively, but only when used appropriately. Visualization is one of the best ways to tell stories from data, but visualizations can also mislead and confuse. In this presentation, I’ll introduce a few exercises you can use with your students to help them learn to design effective information visualizations. We will use real-world data and a variety of software tools to create visualizations that inform, persuade, and illuminate.TRANSCRIPT
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TEACHING STUDENTS TO LIE, MISLEAD, AND MANIPULATE WITH INFORMATION VISUALIZATION
Libby Hemphill, PhD
Illinois Institute of Technology
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ASSUMING …
Data literacy is important so that we can
• Tell compelling stories that others are more likely to repeat, remember, and act on
• Determine when someone else is trying to mislead using visualizations
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http://www.mcsweeneys.net/articles/graph-36-how-many-charts-there-are-right-here
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INFORMING, PERSUADING, AND ILLUMINATING
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BUILDING A VISUALIZATION
1. Determine the story you want to tell or question you want to answer
2. Find or collect the data you need
3. Sketch your design
4. Annotate your sketch
5. Construct your visualization
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BUILDING A VISUALIZATION
1. Determine the story you want to tell or question you want to answer
2. Find or collect the data you need
3. Sketch your design
4. Annotate your sketch
5. Construct your visualization
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LYING, MISLEADING, AND MANIPULATING
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TRUNCATED AXES
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TRUNCATED AXES
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DECEPTIVE DIMENSIONSCIRCUMFERENCE AREA
http://www.vox.com/2014/8/20/6040435/als-ice-bucket-challenge-and-why-we-give-to-charity-donate
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HARD TO READ FORMATS
http://www.usatoday.com/story/tech/2014/08/12/apple-diversity-white-asian-male/13951329/http://www.storytellingwithdata.com/2014/08/design-with-audience-in-mind.html
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SPURIOUS RELATIONSHIPS
http://www.tylervigen.com/
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SPECIOUS MEASURES
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YOUR TURN …
http://www.visualisingdata.com/index.php/2014/04/the-fine-line-between-confusion-and-deception/
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PRACTICE
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KEYS TO GOOD VISUALS
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COMPUTER SCIENCE DEGREE CONFERRALS
EXERCISE ONE
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RAW DATA
http://bit.ly/hemphill_wpi_data
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DATA HERO
http://www.datahero.com
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DIVERSITY IN TECH COMPANIES
EXERCISE TWO
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RAW DATA
http://www.usatoday.com/story/tech/2014/08/12/apple-diversity-white-asian-male/13951329/
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EXCEL
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TWEETS OVER TIME
EXERCISE THREE
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TABLEAU
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THANK YOUContact Info:
@libbyh
http://libbyh.com
Resource List:
http://bit.ly/hemphill_wpi_notes
Slides:
http://slideshare.net/libbyh
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SUPPLEMENTAL SLIDES
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MORE CLASSROOM ACTIVITIES
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CAPTION THIS …
http://flowingdata.com/2014/07/02/jobs-charted-by-state-and-salary/
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TELL A STORY ABOUT WORDS …
https://books.google.com/ngrams
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CHECK YOUR ASSUMPTIONS…
https://apps.facebook.com/namegenweb/
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MORE EXAMPLES OF GOOD VISUALIZATIONS
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HIERARCHIES
http://newsmap.jp
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TIME
http://www.babynamewizard.com/voyager
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NETWORKS
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TIME
http://www.nytimes.com/interactive/2009/07/31/business/20080801-metrics-graphic.html?_r=0
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NETWORKS
http://www.nytimes.com/interactive/2010/05/02/weekinreview/02marsh.html