Social influence (Bystander intervention)

Personal factors affecting bystander intervention

Empathy, similarity, mood, competence

Situational factors affecting bystander intervention

Diffusion of responsibility, pluralistic ignorance, cost of helping, noticing the event

Diffusion of responsibility

In large groups bystanders may feel that other bystanders are more competent

Pluralistic ignorance

when bystanders look at others and react based on what other people are doing

Cost of helping

Evaluation the situation in terms of risking harm to ourselves