social influence

• obedience


  following the orders from a legitimate authority figure
• blind obedience


  obeying without question
• conformity 


  changing your behaviour, attitudes and values to go along with the group
• normative conformity


  conforming to fit in
• informational conformity


  conforming to be right
• bystander effect


  when a bystander doesn't help someone in a emergency situation because they assume others will help
• deindividuation


  loss of personal identity and personal responsibility when part of a crowd, you become anonymous
• situational factors that affect bystander intervention

  diffusion of responsibility, pluralistic ignorance, the cost of helping
• personal factors that affect bystander intervention

  altruistic personality, mood, competence/ skills, similarity to person in need, genetic link
• aim of piliavin's study

  the investigate bystander intervention and understand the conditions in which people are more likely too help