
User-Centred Design for Sustainable Behaviour
Time for a small celebration. A paper that Renee Wever (also from TU Delft), Casper Boks (NTNU Norway) and I wrote together has been accepted for the first issue of the new International Journal of Sustainable Engineering, published by Taylor and Francis. It is entitled 'User-centred Design for Sustainable Behaviour' and in it we explore the possibilities of using product design to nudge users towards more sustainable product use. Most 'traditiona'l eco-design approaches have focused on cleaner production, creating more efficient products (using less resources), and recycling issues, however, less attention has been paid at how to include the users in this picture.
Getting users to behave 'green'
Many modern cars prevent us from making mistakes that will cost us a lot of time and effort. For example, they make it impossible to lock the driver-seat door from the outside without using the key. This prevents you from leaving your keys inside the vehicle and locking yourself out. In other words: the car prevents you from producing unfavorable side-effects. In this paper we explore the possibility of influencing user-product interaction through the design of the product with the aim of improving the sustainability of product use.
Four design strategies
We provide a typology of four user-centered design strategies for inducing sustainable behavior.
- Functionality matching: adapt a product better to the actual use by consumers and thereby try to minimize negative side effects;
- Eco-feedback: the user is presented with specific information on the impact of his or her current behavior, and it is left to the user to relate this information to his or her own behaviour, and adapt this behaviour, or not;
- Scripting: creating obstacles for unsustainable use, or making sustainable behaviour so easy, it is performed almost without thinking about it;
- Forced functionality: making products adapt automatically to changing circumstances, or to design-in strong obstacles to prevent unsustainable behaviour.
The four strategies are supported with examples from packaging, automotive and consumer electronics.
DownloadYou can download a full (preprint) version of the paper from my
research website. In time the final version will become available through the website of the
International Journal of Sustainable Engineering.
AbstractTraditional eco-design has a strong focus on the supply side. Even when focusing on the use phase of products, still impacts directly under the control of the manufacturer dominate. However, the way users interact with a product may strongly influence the environmental impact of a product. Designers can try to influence this behaviour through the products they design. Several strategies have been proposed in the literature, such as eco-feedback and scripting. Existing literature in this field has its limitations. Publications either focus on a single strategy, or do not take a design perspective, or lack empirical data. This paper will present a typology of the different strategies available to designers. This typology will be illustrated with examples and experiments related to two sustainability problems, namely littering behaviour and energy using products. Furthermore a methodology will be presented for applying these strategies. This will be demonstrated in a case study on an energy meter.Keywords: product design, user-centered design, sustainable behavior, sustainability, eco-feedback, scripting.
DisclaimerThis is a preprint of an article whose final and definitive form will be published in the International Journal of Sustainable Engineering. © 2008 Taylor & Francis; International Journal of Sustainable Engineering is available online at:
http://journalsonline.tandf.co.uk/