The Batman effect: the mere sight of the 'superhero' makes us more altruistic

If 'Batman' appears on the scene, we immediately become more altruistic: in fact, research conducted by psychologists at the Università Cattolica del Sacro Cuore, Milan campus, shows that the sudden appearance before us of something unexpected, Batman, interrupts the predictability of everyday life and forces people to be present, going off autopilot. The work was published in the journal npj Mental Health Research, of the Nature circuit, and led by Professor Francesco Pagnini, Professor of Clinical Psychology at the Faculty of Psychology of the Università Cattolica del Sacro Cuore.

Prosocial behaviour, i.e. the act of helping others, is essential for social life, however, the spontaneous environmental factors that trigger such behaviour remain poorly explored. This study tested the ability of an unexpected event, such as the presence of a person disguised as Batman, to increase prosocial behaviour by interrupting routine and increasing people's attention to the present moment.

 "We conducted an experimental field study on the Milan metro," says Professor Pagnini, "observing the behaviour of 138 passengers. In the first part of our test (control condition), an experimenter, apparently pregnant, boarded the train with an observer'. The experts assessed the tendency of the passengers to give up their seats to her. "In the experimental condition, an additional female experimenter dressed as Batman entered the scene from another door of the convoy. Faced with this unexpected encounter, the passengers were significantly more likely to offer their seats: in the presence of Batman, 67.21% of the passengers, or more than two out of three, surrendered their seats, compared to 37.66% in the control experiment, just over one out of three". Moreover, the professor notes, 44% of those who offered their seats in the experimental condition reported that they did not see Batman. These findings suggest that unexpected events can promote prosociality, even in the absence of awareness, with implications for encouraging kindness in public settings.

 "Our results," Pagnini explains, "are similar to previous research linking present-moment awareness (mindfulness) to increased prosociality; this can create a context in which individuals become more attuned to social cues. However, unlike traditional mindfulness interventions that require active involvement, this study highlights how situational interruptions alone may be sufficient to produce similar effects. This suggests a potential mechanism through which novelty and unpredictability promote prosocial behaviour, reinforcing theories linking mindfulness changes to increased social responsiveness. Finally, it is also possible that the superhero figure has enhanced the relevance of cultural values, gender roles, and chivalrous helping norms, in line with research on the superhero-related 'trigger' effect: that is, the Batman figure could play a prosocial trigger role".