---

Complex data

Upper right red,
Disaster occured!



All ok.


Upper right yellow low,
take care!


Upper right yellow high,
take care!
Source: Verhoef Holslag,
2010.


Source: LBS/Holslag Verhoef.


Sourrce: Holslag Verhoef

How much information
can be in one of these
smiley?

Source: Verhoef Holslag,
2010.

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Design of tables

Graphics for aesthetics,
OECD house style.
Source: OECD quarterly
growth table.
http://stats.oecd.org/Index.aspx


No graphics, data only.
Same data as previous table.


Same data as previous
table.
Graphics for content.
OECD, adapted by Verhoef for demo.

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Design of scales

One variable,
six parameters,
233 milliseconds
perception time.


An effective problem solving
tool.
Source: Holslag & Verhoef.

---

Portrait or landscape?

What is better for a train traffic
controler?

portrait ...

...landscape?

Source: Holslag & Verhoef.

What is better for car driving?

... realistic landscape?
Source: Tom Tom, 2010.

alphanumerical portrait ...?

Source: Verhoef, 2010.

abstract portrait ...?

Source: ETCS/Verhoef.

---

Train traffic control

How to present
tracks and platforms?

This way?

Or this way?

Source: NS/Verhoef.