In late April 2020, a group of behavioural scientists (Van Bavel et al., 2020) published a paper in Nature Human Behaviour, “Using social and behavioural science to support COVID-19 pandemic response”. They provided a range of suggestions for policy makers. The paper sparked some debates about the readiness of behavioural science to inform the pandemic response. One of these critiques was in an article by IJzerman et al. (2020), which advised caution when applying behavioural science to p...