Best suited for:
- summarising statistical data
- expressing quantitative relationships
Least suited for:
Answer the questions:
- listing specific data for immediate use
- expressing qualitative relationships
Answer the questions:
- how much
- occasionally what, why and how
Key challenges:
- accuracy and integrity
- finding information
Key techniques:
- visual data metaphors
- evaluate typography, particularly pointer boxes
Examples
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| Pie chart Pie charts are a convenient way to publish data in the form of percentages, making comparison very easy between two data sets. In this case the colours used have had a detrimental effect on the chart, as the green and blue are too similar to easily distinguish from a distance. |
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| Recycling bin Although this is not a true graph as it does not plot one set of data against another, the design is reminiscent of bar charts and I find it an interesting choice to convey the information. It is a very eye-catching piece of design, and is more likely to evoke interest than if the same information were just laid out in a list or table. The use of colour also reinforces the data and makes it more memorable. |
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