There are two main elements that cause bystander effect
One of them is the existence of other individuals that build dispersal of responsibilities because there are tiger spectators, a person doesn’t feel a lot of pressure to do it, because the responsibility to operate is shared between who is there at that time. Secondly, an individual needs to behave in an appropriate, social and decent way, For example, if an individual fails to read, people mostly see this as a signal that a reaction isn’t needed or not acceptable. Researchers have established that observers are less expected to intercede if the situation is unclear.
When an individual has a common feeling of distinctive and self-awareness that helps make it uncomplicated to watch their interactions with others, arbitrate their behaviour as maintained by tier principles and identify themselves as divided individuals from other people. A social psychologist has researched that an individual’s behaviour in group environments establishes the thought of de-individuation to explain a general occurrence in few groups. When an individual de-individuates inside a non-damaging group, the prosperity can be positive and can incorporate a feeling of belonging and friendship. De-individuation can greatly be emotional and a few individuals feels happy when they go back to sense of self-awareness, it can also cause a detrimental group behaviour. Violence, brutality, and bullying can all derive from de-individuation.