Bystander intervention in emergencies: diffusion of responsibility.
D002605:Character; D003220:Conflict, Psychological; D003657:Decision Making; D004630:Emergencies; D005260:Female; D006126:Group Processes; D006127:Group Structure; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D010465:Perception; D011593:Psychology, Social; D011930:Reaction Time; D012737:Sex Factors