My not-so-ecofriendly family
During the 5 days Design Seminar I got asked to think and carry out a nudging experiment involving my family members. This has been an interesting challenge, as I had just heard about “nudging” but I’ve never really used this approach in either my personal or academic projects. In this occasion it has been interesting to understand deeper its meaning and implications and mainly to apply this approach in a real-life experiment.
PROBELM IDENTIFICATION First of all, I started thinking about some of my family members’ behaviours that I personally find annoying or frustrating or not correct. I listed them all to have clear in mind on what kind of behaviour I should have put my attention on. I identified quite a few problems (at least from my personal perspective). Since I’m trying my best to adopt more sustainable behaviours, I ask my family to adopt simple similar strategies or actions that are good for the environment: drinking grinded coffee (like the moka one) rather than coffee made out of plastic capsules; paying a lot of attention in sorting out the rubbish in an organized and tidy way, making it easier to do it (for this I already developed a strategy to help my family in that); encouraging my family to avoid using plastic bottles, as I always refill glass bottles at the water refilling station that my hometown provides. I ended up focusing on this last problem, which I consider a problem since my family still uses plastic bottles rather than the glass ones, which are filled and ready to be drunk just like the plastic ones. I tried to analyse why my family still tends to prefer using the plastic bottles by observing them and asking them. “Because they are just right here, in the cupboard!”
PROBLEM ANALYSIS We actually store plastic bottles in the cupboard, right on the side of our table in the kitchen, while we keep the glass bottles on the balcony because they do not fit in the same cupboard - figure 1. I realized that plastic bottles are still preferred because they are nearby and easy to get. According to the Bridgeable BE principles, I identified the “default bias” as the behavioural economics principle that defines this current behaviour: guided by their habits, and also by a bit of laziness, my family members don’t seem to be likely to change their actions in something they don’t consider as much valuable as I do. So I thought about using the “substitution” BE principle to modify this habit and that could help me nudge them towards the “Future state”, which is bringing them to prefer using glass water bottles rather than plastic ones.
THE EXPERIMENT So what did I do? I basically just swapped the plastic bottles for the glass ones, moving the first ones on the balcony (where glass bottles were kept) and bringing the second ones inside the cupboard (where plastic bottles were stored) - figure 2. So, just by moving them, I substituted a similar behaviour, rather than eliminating an entrenched one. In this way I’ve been able to find an effective way to nudge my family members to do what I desired. I could see, indeed, that the glass bottles were being used, while the plastic ones were still all on the balcony - figure 3. I started the experiment on Tuesday 17th June and after two days I could happily verify that my experiment worked quite well, and that I’ve been able to successfully influence and encourage my family to pick the glass bottles instead of the plastic ones.
Arianna Meroni















