Evaluating timeline layouts

To show events over time, you can use a timeline, which is often marks on a line that runs from less recent to more recent. But you can vary the shape. Sara Di Bartolomeo and her group researched the effectiveness of different layouts:

Considering the findings of our experiment, we formulated some design recommendations for timelines using one of the data set types we took into account. Here is a list of recommendations regarding timeline readability:

  1. Use linear vertical timelines for situations which require fast data lookup.
  2. Avoid spiral timelines when the task requires fast lookup.
  3. If you use a more creative, expressive shape, such as a spiral timeline, also include a tutorial or visual cues to assist the user in learning and understanding.

Also: it “heavily depends on the context.”

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Source: Data

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