“…For example, when children overhear unfamiliar peers having conversations that encourage or discourage risk taking in a play situation, this is effective to evoke behaviour consistent with these opinions when youth are subsequently in the play situation (Morrongiello, McArthur, et al, 2013). Moreover, messaging by unfamiliar peers that communicates behavioural norms supporting the avoidance of risk behaviours (e.g., Most children would not … ) has proven effective to reduce risk-taking decisions among youth, and these effects of norms on risk taking are sustained over time (Morrongiello et al, 2020). The present study extends these past findings in several important ways.…”