Good versus bad data. Pairs rate online collections of data representations from good to bad and then suggest ways to improve the visualizations. The class then creates a list of best practices and common errors in data representations and finishes by comparing their lists to some basic principles of good data visualizations.

Concepts

data representations, data analysis, computer science, technology resources

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Instructional Ideas

• Have the class brainstorm different ways of displaying data in a graph
• Before rating the data visualizations, lead a discussion about what makes a good or bad data visualization

Classroom Considerations

• Have graph number five from both collections available to display to the entire class
• The 10th lesson in a unit of 15

Pros

• Provides a link to a document on creating graphic displays of data
• Teaching tips include options for sharing the information pupils learn during the activity

Cons

• References something from "yesterday's" lesson that was not part of lesson nine