“…Voluntary behaviour change programmes are those which preserve the free will of participants. Examples include communication and informational campaigns, voice prompt messages, informational exhibits and serious games (Adestika, 2021; Baechler et al , 2020; Barkela et al , 2021; Lange et al , 2021; Mundt et al , 2020; Ohtomo and Ohnuma, 2014; Panagiotopoulou et al , 2021). Voluntary behaviour change, that is, motivated by intrinsic factors, can result in positive spillover effects and lower community resistance (Geiger et al , 2021).…”