In another experiment, was examined the role of social proof of fairness in triggering "apathy" of witnesses. In the group of witnesses to events placed substituted person learned to behave in such a way as if nothing had happened. For example, in a certain experiment conducted in New York (£atana and Darley, 1968a) observed that 75% of lone witness undertook to intervene Laura Lion Videos when saw the smoke out from under the door secernent the next room. When the witnesses were three, the intervention undertaken only in 38% of cases. This figure dropped to only 10%, when a group of three judges podstawiono two persons instructed to behave as if nothing had happened. " In a similar study conducted in Toronto (AS Ross, 1971), 90% of lone witness undertook to intervene only 16% in a situation where the appropriate test two remained passive, substituted person
