Friday 6 September 2013

The look of the thing matters

Today, I was at a meeting. One of the speakers suggested that the details of the way information is displayed in an information visualisation doesn't matter. I beg to differ.

The food at lunchtime was partly finger-food and partly fork-food. Inevitably, I was talking with someone whilst serving myself, but my attention was drawn to the buffet when a simple expectation was violated. The forks looked like this:

 ...so I expected them to be weighty and solid. But the one I picked up felt like this:

– i.e., insubstantial and plastic. The metallic look and the form gave an appearance that didn't match reality.

I remember a similar feeling of being slightly cheated when I first received a circular letter (from a charity) where the address was printed directly onto the envelope using a handwriting-like font and with a "proper" stamp (queen's head and all that). Even though I didn't recognise the handwriting, I immediately expected a personal letter inside – maybe an invitation to a wedding or a party. But no: an invitation to make a donation to the charity. That's not exciting.

The visual appearance of such objects introduces a dissonance between expectation and fact, forcing us to shift from type 1 (fast, intuitive) thinking to type 2 (slow, deliberate) thinking. As the fork example shows, it's possible to create this kind of dissonance in the natural (non-digital) world. But it's much, much easier in the digital world to deliberately or accidentally create false expectations. I'm sure I'm not the only person to feel cheated when this happens.

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