Wednesday, June 05, 2019

Design Thinking: Slow and Fast, Part II

[In an earlier post, I mentioned some research aimed at applying the extraordinary popular theory of the two modes of thinking, fast and slow thinking (developed by Kahneman, ref below) to design thinking. That attempt was quite theoretical, trying to merge two theories of thinking. But I think it is interesting to consider the fast and slow thinking in a more practical sense, that is, how do the two forms of thinking apply to designers in general and their practice.]


First of all, let's assume that Kahneman's theory is a good description of two forms of thinking. One that is intuitive and fast and one that is reflective and slow. I have been teaching designing for many years and I have found that students commonly have problems in knowing how to apply the two forms of thinking.

In many cases, students engage in slow thinking when they are facing design situations where they have to act and do things, for instance, generate ideas, sketch, explore, develop concepts, etc. This is the kind of activities that in general is suitable for fast thinking, intuitive and instinctive thinking. Instead, they engage in slow thinking, they try to figure things out, they try to use reflective thinking to do it. This usually does not work so well, they get stuck, they do not make progress, they are not creative and innovative. They get very insecure about their own actions and if they are doing things 'right'.

My impressions is that these students and inexperienced designers are afraid of fast thinking. To them it goes against what they have been taught their whole life in school, that is, to carefully plan, think through, find the right way of approaching a task and then apply that approach. To act based on intuition and intuitive thinking feels wrong to them. And they commonly admit that.

They are usually better at applying slow thinking. They do want to reflect and think about their practice. Often they are intrigued by Schon's ideas about reflection and its role in designing. But at the same time, they miss the message from Schon about the act of designing which is that you have to trust your experience and your built up repertoire of design knowledge, and just do it.

Designing truly requires both fast and slow thinking. But it is crucial to understand when which form of thinking is appropriate.

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Kahneman, D. (2011). Thinking, fast and slow. Macmillan.

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